diff --git a/pom.xml b/pom.xml
index 3443aec..f0fc7da 100644
--- a/pom.xml
+++ b/pom.xml
@@ -49,6 +49,7 @@ limitations under the License.
 
   <properties>
     <javaVersion>17</javaVersion>
+    <jmhVersion>1.37</jmhVersion>
     <project.build.outputTimestamp>2024-05-21T21:02:17Z</project.build.outputTimestamp>
   </properties>
 
@@ -67,24 +68,23 @@ limitations under the License.
     <dependency>
       <groupId>org.openjdk.jmh</groupId>
       <artifactId>jmh-core</artifactId>
-      <version>1.37</version>
+      <version>${jmhVersion}</version>
       <scope>test</scope>
     </dependency>
     <dependency>
       <groupId>org.openjdk.jmh</groupId>
       <artifactId>jmh-generator-annprocess</artifactId>
-      <version>1.37</version>
+      <version>${jmhVersion}</version>
       <scope>test</scope>
     </dependency>
     <dependency>
       <groupId>org.junit.jupiter</groupId>
-      <artifactId>junit-jupiter</artifactId>
+      <artifactId>junit-jupiter-api</artifactId>
       <scope>test</scope>
     </dependency>
     <dependency>
-      <groupId>org.codehaus.plexus</groupId>
-      <artifactId>plexus-utils</artifactId>
-      <version>4.0.2</version>
+      <groupId>org.junit.jupiter</groupId>
+      <artifactId>junit-jupiter-params</artifactId>
       <scope>test</scope>
     </dependency>
   </dependencies>
diff --git a/src/test/java/org/codehaus/plexus/util/xml/PrettyPrintXMLWriterTest.java b/src/test/java/org/codehaus/plexus/util/xml/PrettyPrintXMLWriterTest.java
index 9e23c42..f26631d 100644
--- a/src/test/java/org/codehaus/plexus/util/xml/PrettyPrintXMLWriterTest.java
+++ b/src/test/java/org/codehaus/plexus/util/xml/PrettyPrintXMLWriterTest.java
@@ -26,7 +26,6 @@
 import java.nio.file.Files;
 import java.util.NoSuchElementException;
 
-import org.codehaus.plexus.util.StringUtils;
 import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Disabled;
@@ -45,7 +44,7 @@
  * @version $Id: $Id
  * @since 3.4.0
  */
-public class PrettyPrintXMLWriterTest {
+class PrettyPrintXMLWriterTest {
     StringWriter w;
 
     PrettyPrintXMLWriter writer;
@@ -54,7 +53,7 @@ public class PrettyPrintXMLWriterTest {
      * <p>setUp.</p>
      */
     @BeforeEach
-    public void setUp() {
+    void setUp() {
         initWriter();
     }
 
@@ -62,7 +61,7 @@ public void setUp() {
      * <p>tearDown.</p>
      */
     @AfterEach
-    public void tearDown() {
+    void tearDown() {
         writer = null;
         w = null;
     }
@@ -76,7 +75,7 @@ private void initWriter() {
      * <p>testDefaultPrettyPrintXMLWriter.</p>
      */
     @Test
-    public void testDefaultPrettyPrintXMLWriter() {
+    void defaultPrettyPrintXMLWriter() {
         writer.startElement(Tag.HTML.toString());
 
         writeXhtmlHead(writer);
@@ -92,7 +91,7 @@ public void testDefaultPrettyPrintXMLWriter() {
      * <p>testPrettyPrintXMLWriterWithGivenLineSeparator.</p>
      */
     @Test
-    public void testPrettyPrintXMLWriterWithGivenLineSeparator() {
+    void prettyPrintXMLWriterWithGivenLineSeparator() {
         writer.setLineSeparator("\n");
 
         writer.startElement(Tag.HTML.toString());
@@ -110,7 +109,7 @@ public void testPrettyPrintXMLWriterWithGivenLineSeparator() {
      * <p>testPrettyPrintXMLWriterWithGivenLineIndenter.</p>
      */
     @Test
-    public void testPrettyPrintXMLWriterWithGivenLineIndenter() {
+    void prettyPrintXMLWriterWithGivenLineIndenter() {
         writer.setLineIndenter("    ");
 
         writer.startElement(Tag.HTML.toString());
@@ -128,7 +127,7 @@ public void testPrettyPrintXMLWriterWithGivenLineIndenter() {
      * <p>testEscapeXmlAttribute.</p>
      */
     @Test
-    public void testEscapeXmlAttribute() {
+    void escapeXmlAttribute() {
         // Windows
         writer.startElement(Tag.DIV.toString());
         writer.addAttribute("class", "sect\r\nion");
@@ -154,17 +153,18 @@ public void testEscapeXmlAttribute() {
      * <p>testendElementAlreadyClosed.</p>
      */
     @Test
-    public void testendElementAlreadyClosed() {
-        assertThrows(NoSuchElementException.class, () -> {
-            writer.startElement(Tag.DIV.toString());
-            writer.addAttribute("class", "someattribute");
-            writer.endElement(); // Tag.DIV closed
-            writer.endElement(); // Tag.DIV already closed, and there is no other outer tag!
-        });
+    void testendElementAlreadyClosed() {
+        writer.startElement(Tag.DIV.toString());
+        writer.addAttribute("class", "someattribute");
+        writer.endElement();
+        assertThrows(
+                NoSuchElementException.class,
+                () -> // Tag.DIV closed
+                writer.endElement());
     }
 
     /**
-     * Issue #51: https://github.com/codehaus-plexus/plexus-utils/issues/51 Purpose: test if concatenation string
+     * Issue #51: <a href="https://github.com/codehaus-plexus/plexus-utils/issues/51">Issue 51</a> Purpose: test if concatenation string
      * optimization bug is present. Target environment: Java 7 (u79 and u80 verified) running on Windows. Detection
      * strategy: Tries to build a big XML file (~750MB size) and with many nested tags to force the JVM to trigger the
      * concatenation string optimization bug that throws a NoSuchElementException when calling endElement() method.
@@ -173,7 +173,7 @@ public void testendElementAlreadyClosed() {
      */
     @Disabled("This test is only relevant on JDK 1.7, which is not supported anymore")
     @Test
-    public void testIssue51DetectJava7ConcatenationBug() throws IOException {
+    void issue51DetectJava7ConcatenationBug() throws IOException {
         File dir = new File("target/test-xml");
         if (!dir.exists()) {
             assertTrue(dir.mkdir(), "cannot create directory test-xml");
@@ -231,34 +231,29 @@ private String expectedResult(String lineSeparator) {
     }
 
     private String expectedResult(String lineIndenter, String lineSeparator) {
-        StringBuilder expected = new StringBuilder();
-
-        expected.append("<html>").append(lineSeparator);
-        expected.append(StringUtils.repeat(lineIndenter, 1)).append("<head>").append(lineSeparator);
-        expected.append(StringUtils.repeat(lineIndenter, 2))
-                .append("<title>title</title>")
-                .append(lineSeparator);
-        expected.append(StringUtils.repeat(lineIndenter, 2))
-                .append("<meta name=\"author\" content=\"Author\"/>")
-                .append(lineSeparator);
-        expected.append(StringUtils.repeat(lineIndenter, 2))
-                .append("<meta name=\"date\" content=\"Date\"/>")
-                .append(lineSeparator);
-        expected.append(StringUtils.repeat(lineIndenter, 1)).append("</head>").append(lineSeparator);
-        expected.append(StringUtils.repeat(lineIndenter, 1)).append("<body>").append(lineSeparator);
-        expected.append(StringUtils.repeat(lineIndenter, 2))
-                .append("<p>Paragraph 1, line 1. Paragraph 1, line 2.</p>")
-                .append(lineSeparator);
-        expected.append(StringUtils.repeat(lineIndenter, 2))
-                .append("<div class=\"section\">")
-                .append(lineSeparator);
-        expected.append(StringUtils.repeat(lineIndenter, 3))
-                .append("<h2>Section title</h2>")
-                .append(lineSeparator);
-        expected.append(StringUtils.repeat(lineIndenter, 2)).append("</div>").append(lineSeparator);
-        expected.append(StringUtils.repeat(lineIndenter, 1)).append("</body>").append(lineSeparator);
-        expected.append("</html>");
-
-        return expected.toString();
+        return "<html>" + lineSeparator + lineIndenter
+                + "<head>" + lineSeparator + lineIndenter
+                + lineIndenter + "<title>title</title>"
+                + lineSeparator
+                + lineIndenter
+                + lineIndenter + "<meta name=\"author\" content=\"Author\"/>"
+                + lineSeparator
+                + lineIndenter
+                + lineIndenter + "<meta name=\"date\" content=\"Date\"/>"
+                + lineSeparator
+                + lineIndenter
+                + "</head>" + lineSeparator + lineIndenter
+                + "<body>" + lineSeparator + lineIndenter
+                + lineIndenter + "<p>Paragraph 1, line 1. Paragraph 1, line 2.</p>"
+                + lineSeparator
+                + lineIndenter
+                + lineIndenter + "<div class=\"section\">"
+                + lineSeparator
+                + lineIndenter
+                + lineIndenter + lineIndenter + "<h2>Section title</h2>"
+                + lineSeparator
+                + lineIndenter
+                + lineIndenter + "</div>" + lineSeparator + lineIndenter
+                + "</body>" + lineSeparator + "</html>";
     }
 }
diff --git a/src/test/java/org/codehaus/plexus/util/xml/TestUtils.java b/src/test/java/org/codehaus/plexus/util/xml/TestUtils.java
new file mode 100644
index 0000000..b824d1e
--- /dev/null
+++ b/src/test/java/org/codehaus/plexus/util/xml/TestUtils.java
@@ -0,0 +1,47 @@
+package org.codehaus.plexus.util.xml;
+
+import java.io.IOException;
+import java.io.Reader;
+import java.io.StringWriter;
+
+public class TestUtils {
+
+    public static String readAllFrom(Reader input) throws IOException {
+        StringWriter output = new StringWriter();
+        char[] buffer = new char[16384];
+        int n = 0;
+        while (0 <= (n = input.read(buffer))) {
+            output.write(buffer, 0, n);
+        }
+        output.flush();
+        return output.toString();
+    }
+    /**
+     * <p>
+     * How many times is the substring in the larger String.
+     * </p>
+     * <p>
+     * <code>null</code> returns <code>0</code>.
+     * </p>
+     *
+     * @param str the String to check
+     * @param sub the substring to count
+     * @return the number of occurrences, 0 if the String is <code>null</code>
+     * @throws NullPointerException if sub is <code>null</code>
+     */
+    public static int countMatches(String str, String sub) {
+        if (sub.isEmpty()) {
+            return 0;
+        }
+        if (str == null) {
+            return 0;
+        }
+        int count = 0;
+        int idx = 0;
+        while ((idx = str.indexOf(sub, idx)) != -1) {
+            count++;
+            idx += sub.length();
+        }
+        return count;
+    }
+}
diff --git a/src/test/java/org/codehaus/plexus/util/xml/XmlStreamReaderTest.java b/src/test/java/org/codehaus/plexus/util/xml/XmlStreamReaderTest.java
index 4ffe7a9..0390ac2 100644
--- a/src/test/java/org/codehaus/plexus/util/xml/XmlStreamReaderTest.java
+++ b/src/test/java/org/codehaus/plexus/util/xml/XmlStreamReaderTest.java
@@ -21,10 +21,10 @@
 import java.io.InputStream;
 import java.io.SequenceInputStream;
 
-import org.codehaus.plexus.util.IOUtil;
 import org.junit.jupiter.api.Test;
 import org.opentest4j.AssertionFailedError;
 
+import static org.codehaus.plexus.util.xml.TestUtils.readAllFrom;
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertThrows;
 
@@ -35,7 +35,7 @@
  * @version $Id: $Id
  * @since 3.4.0
  */
-public class XmlStreamReaderTest {
+class XmlStreamReaderTest {
     /** french */
     private static final String TEXT_LATIN1 = "eacute: \u00E9";
 
@@ -68,8 +68,7 @@ private static String createXmlContent(String text, String encoding) {
         if (encoding != null) {
             xmlDecl = "<?xml version=\"1.0\" encoding=\"" + encoding + "\"?>";
         }
-        String xml = xmlDecl + "\n<text>" + text + "</text>";
-        return xml;
+        return xmlDecl + "\n<text>" + text + "</text>";
     }
 
     private static void checkXmlContent(String xml, String encoding) throws IOException {
@@ -86,8 +85,7 @@ private static void checkXmlContent(String xml, String encoding, byte... bom) th
 
         XmlStreamReader reader = new XmlStreamReader(in);
         assertEquals(encoding, reader.getEncoding());
-        String result = IOUtil.toString(reader);
-        assertEquals(xml, result);
+        assertEquals(xml, readAllFrom(reader));
     }
 
     private static void checkXmlStreamReader(String text, String encoding, String effectiveEncoding)
@@ -115,7 +113,7 @@ private static void checkXmlStreamReader(String text, String encoding, String ef
      * @throws java.io.IOException if any.
      */
     @Test
-    public void testNoXmlHeader() throws IOException {
+    void noXmlHeader() throws IOException {
         String xml = "<text>text with no XML header</text>";
         checkXmlContent(xml, "UTF-8");
         checkXmlContent(xml, "UTF-8", BOM_UTF8);
@@ -127,7 +125,7 @@ public void testNoXmlHeader() throws IOException {
      * @throws java.io.IOException if any.
      */
     @Test
-    public void testDefaultEncoding() throws IOException {
+    void defaultEncoding() throws IOException {
         checkXmlStreamReader(TEXT_UNICODE, null, "UTF-8");
         checkXmlStreamReader(TEXT_UNICODE, null, "UTF-8", BOM_UTF8);
     }
@@ -138,7 +136,7 @@ public void testDefaultEncoding() throws IOException {
      * @throws java.io.IOException if any.
      */
     @Test
-    public void testUTF8Encoding() throws IOException {
+    void utf8Encoding() throws IOException {
         checkXmlStreamReader(TEXT_UNICODE, "UTF-8");
         checkXmlStreamReader(TEXT_UNICODE, "UTF-8", BOM_UTF8);
     }
@@ -149,7 +147,7 @@ public void testUTF8Encoding() throws IOException {
      * @throws java.io.IOException if any.
      */
     @Test
-    public void testUTF16Encoding() throws IOException {
+    void utf16Encoding() throws IOException {
         checkXmlStreamReader(TEXT_UNICODE, "UTF-16", "UTF-16BE", null);
         checkXmlStreamReader(TEXT_UNICODE, "UTF-16", "UTF-16LE", BOM_UTF16LE);
         checkXmlStreamReader(TEXT_UNICODE, "UTF-16", "UTF-16BE", BOM_UTF16BE);
@@ -161,7 +159,7 @@ public void testUTF16Encoding() throws IOException {
      * @throws java.io.IOException if any.
      */
     @Test
-    public void testUTF16BEEncoding() throws IOException {
+    void utf16beEncoding() throws IOException {
         checkXmlStreamReader(TEXT_UNICODE, "UTF-16BE");
     }
 
@@ -171,7 +169,7 @@ public void testUTF16BEEncoding() throws IOException {
      * @throws java.io.IOException if any.
      */
     @Test
-    public void testUTF16LEEncoding() throws IOException {
+    void utf16leEncoding() throws IOException {
         checkXmlStreamReader(TEXT_UNICODE, "UTF-16LE");
     }
 
@@ -181,7 +179,7 @@ public void testUTF16LEEncoding() throws IOException {
      * @throws java.io.IOException if any.
      */
     @Test
-    public void testLatin1Encoding() throws IOException {
+    void latin1Encoding() throws IOException {
         checkXmlStreamReader(TEXT_LATIN1, "ISO-8859-1");
     }
 
@@ -191,7 +189,7 @@ public void testLatin1Encoding() throws IOException {
      * @throws java.io.IOException if any.
      */
     @Test
-    public void testLatin7Encoding() throws IOException {
+    void latin7Encoding() throws IOException {
         checkXmlStreamReader(TEXT_LATIN7, "ISO-8859-7");
     }
 
@@ -201,7 +199,7 @@ public void testLatin7Encoding() throws IOException {
      * @throws java.io.IOException if any.
      */
     @Test
-    public void testLatin15Encoding() throws IOException {
+    void latin15Encoding() throws IOException {
         checkXmlStreamReader(TEXT_LATIN15, "ISO-8859-15");
     }
 
@@ -211,7 +209,7 @@ public void testLatin15Encoding() throws IOException {
      * @throws java.io.IOException if any.
      */
     @Test
-    public void testEUC_JPEncoding() throws IOException {
+    void euc_jpEncoding() throws IOException {
         checkXmlStreamReader(TEXT_EUC_JP, "EUC-JP");
     }
 
@@ -221,17 +219,16 @@ public void testEUC_JPEncoding() throws IOException {
      * @throws java.io.IOException if any.
      */
     @Test
-    public void testEBCDICEncoding() throws IOException {
+    void ebcdicEncoding() throws IOException {
         checkXmlStreamReader("simple text in EBCDIC", "CP1047");
     }
 
     /**
      * <p>testInappropriateEncoding.</p>
      *
-     * @throws java.io.IOException if any.
      */
     @Test
-    public void testInappropriateEncoding() throws IOException {
+    void inappropriateEncoding() {
         // expected failure, since the encoding does not contain some characters
         assertThrows(
                 AssertionFailedError.class,
@@ -245,7 +242,7 @@ public void testInappropriateEncoding() throws IOException {
      * @throws java.io.IOException if any.
      */
     @Test
-    public void testEncodingAttribute() throws IOException {
+    void encodingAttribute() throws IOException {
         String xml = "<?xml version='1.0' encoding='US-ASCII'?><element encoding='attribute value'/>";
         checkXmlContent(xml, "US-ASCII");
 
diff --git a/src/test/java/org/codehaus/plexus/util/xml/XmlStreamWriterTest.java b/src/test/java/org/codehaus/plexus/util/xml/XmlStreamWriterTest.java
index c2803b5..a7028d9 100644
--- a/src/test/java/org/codehaus/plexus/util/xml/XmlStreamWriterTest.java
+++ b/src/test/java/org/codehaus/plexus/util/xml/XmlStreamWriterTest.java
@@ -30,7 +30,7 @@
  * @version $Id: $Id
  * @since 3.4.0
  */
-public class XmlStreamWriterTest {
+class XmlStreamWriterTest {
     /** french */
     private static final String TEXT_LATIN1 = "eacute: \u00E9";
 
@@ -52,8 +52,7 @@ private static String createXmlContent(String text, String encoding) {
         if (encoding != null) {
             xmlDecl = "<?xml version=\"1.0\" encoding=\"" + encoding + "\"?>";
         }
-        String xml = xmlDecl + "\n<text>" + text + "</text>";
-        return xml;
+        return xmlDecl + "\n<text>" + text + "</text>";
     }
 
     private static void checkXmlContent(String xml, String encoding) throws IOException {
@@ -78,7 +77,7 @@ private static void checkXmlWriter(String text, String encoding) throws IOExcept
      * @throws java.io.IOException if any.
      */
     @Test
-    public void testNoXmlHeader() throws IOException {
+    void noXmlHeader() throws IOException {
         String xml = "<text>text with no XML header</text>";
         checkXmlContent(xml, "UTF-8");
     }
@@ -89,7 +88,7 @@ public void testNoXmlHeader() throws IOException {
      * @throws java.io.IOException if any.
      */
     @Test
-    public void testEmpty() throws IOException {
+    void empty() throws IOException {
         ByteArrayOutputStream out = new ByteArrayOutputStream();
         XmlStreamWriter writer = new XmlStreamWriter(out);
         writer.flush();
@@ -106,7 +105,7 @@ public void testEmpty() throws IOException {
      * @throws java.io.IOException if any.
      */
     @Test
-    public void testDefaultEncoding() throws IOException {
+    void defaultEncoding() throws IOException {
         checkXmlWriter(TEXT_UNICODE, null);
     }
 
@@ -116,7 +115,7 @@ public void testDefaultEncoding() throws IOException {
      * @throws java.io.IOException if any.
      */
     @Test
-    public void testUTF8Encoding() throws IOException {
+    void utf8Encoding() throws IOException {
         checkXmlWriter(TEXT_UNICODE, "UTF-8");
     }
 
@@ -126,7 +125,7 @@ public void testUTF8Encoding() throws IOException {
      * @throws java.io.IOException if any.
      */
     @Test
-    public void testUTF16Encoding() throws IOException {
+    void utf16Encoding() throws IOException {
         checkXmlWriter(TEXT_UNICODE, "UTF-16");
     }
 
@@ -136,7 +135,7 @@ public void testUTF16Encoding() throws IOException {
      * @throws java.io.IOException if any.
      */
     @Test
-    public void testUTF16BEEncoding() throws IOException {
+    void utf16beEncoding() throws IOException {
         checkXmlWriter(TEXT_UNICODE, "UTF-16BE");
     }
 
@@ -146,7 +145,7 @@ public void testUTF16BEEncoding() throws IOException {
      * @throws java.io.IOException if any.
      */
     @Test
-    public void testUTF16LEEncoding() throws IOException {
+    void utf16leEncoding() throws IOException {
         checkXmlWriter(TEXT_UNICODE, "UTF-16LE");
     }
 
@@ -156,7 +155,7 @@ public void testUTF16LEEncoding() throws IOException {
      * @throws java.io.IOException if any.
      */
     @Test
-    public void testLatin1Encoding() throws IOException {
+    void latin1Encoding() throws IOException {
         checkXmlWriter(TEXT_LATIN1, "ISO-8859-1");
     }
 
@@ -166,7 +165,7 @@ public void testLatin1Encoding() throws IOException {
      * @throws java.io.IOException if any.
      */
     @Test
-    public void testLatin7Encoding() throws IOException {
+    void latin7Encoding() throws IOException {
         checkXmlWriter(TEXT_LATIN7, "ISO-8859-7");
     }
 
@@ -176,7 +175,7 @@ public void testLatin7Encoding() throws IOException {
      * @throws java.io.IOException if any.
      */
     @Test
-    public void testLatin15Encoding() throws IOException {
+    void latin15Encoding() throws IOException {
         checkXmlWriter(TEXT_LATIN15, "ISO-8859-15");
     }
 
@@ -186,7 +185,7 @@ public void testLatin15Encoding() throws IOException {
      * @throws java.io.IOException if any.
      */
     @Test
-    public void testEUC_JPEncoding() throws IOException {
+    void euc_jpEncoding() throws IOException {
         checkXmlWriter(TEXT_EUC_JP, "EUC-JP");
     }
 
@@ -196,7 +195,7 @@ public void testEUC_JPEncoding() throws IOException {
      * @throws java.io.IOException if any.
      */
     @Test
-    public void testEBCDICEncoding() throws IOException {
+    void ebcdicEncoding() throws IOException {
         checkXmlWriter("simple text in EBCDIC", "CP1047");
     }
 }
diff --git a/src/test/java/org/codehaus/plexus/util/xml/XmlUtilTest.java b/src/test/java/org/codehaus/plexus/util/xml/XmlUtilTest.java
index eb6db5e..b5049f8 100644
--- a/src/test/java/org/codehaus/plexus/util/xml/XmlUtilTest.java
+++ b/src/test/java/org/codehaus/plexus/util/xml/XmlUtilTest.java
@@ -25,11 +25,11 @@
 import java.io.Writer;
 import java.nio.file.Files;
 
-import org.codehaus.plexus.util.IOUtil;
-import org.codehaus.plexus.util.StringUtils;
 import org.junit.jupiter.api.Test;
 
-import static org.junit.jupiter.api.Assertions.*;
+import static org.codehaus.plexus.util.xml.TestUtils.readAllFrom;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
 /**
  * Test the {@link org.codehaus.plexus.util.xml.XmlUtil} class.
@@ -68,7 +68,7 @@ private File getTestOutputFile(String relPath) throws IOException {
      * @throws java.lang.Exception if any.
      */
     @Test
-    public void testPrettyFormatInputStreamOutputStream() throws Exception {
+    void prettyFormatInputStreamOutputStream() throws Exception {
         File testDocument = new File(getBasedir(), "src/test/resources/testDocument.xhtml");
         assertTrue(testDocument.exists());
 
@@ -89,7 +89,7 @@ public void testPrettyFormatInputStreamOutputStream() throws Exception {
      * @throws java.lang.Exception if any.
      */
     @Test
-    public void testPrettyFormatReaderWriter() throws Exception {
+    void prettyFormatReaderWriter() throws Exception {
         File testDocument = new File(getBasedir(), "src/test/resources/testDocument.xhtml");
         assertTrue(testDocument.exists());
 
@@ -109,24 +109,26 @@ public void testPrettyFormatReaderWriter() throws Exception {
      * @throws java.lang.Exception if any.
      */
     @Test
-    public void testPrettyFormatString() throws Exception {
+    void prettyFormatString() throws Exception {
         File testDocument = new File(getBasedir(), "src/test/resources/testDocument.xhtml");
         assertTrue(testDocument.exists());
 
         String content;
         try (Reader reader = new XmlStreamReader(testDocument)) {
-            content = IOUtil.toString(reader);
+            content = readAllFrom(reader);
         }
 
-        Writer writer = new StringWriter();
+        String contentPretty;
         try (Reader reader = new XmlStreamReader(testDocument)) {
+            Writer writer = new StringWriter();
             XmlUtil.prettyFormat(reader, writer);
+            contentPretty = writer.toString();
         }
 
         assertNotNull(content);
 
-        int countEOL = StringUtils.countMatches(content, XmlUtil.DEFAULT_LINE_SEPARATOR);
-        assertTrue(countEOL < StringUtils.countMatches(writer.toString(), XmlUtil.DEFAULT_LINE_SEPARATOR));
+        int countEOL = TestUtils.countMatches(content, XmlUtil.DEFAULT_LINE_SEPARATOR);
+        assertTrue(countEOL < TestUtils.countMatches(contentPretty, XmlUtil.DEFAULT_LINE_SEPARATOR));
     }
 
     /**
@@ -135,7 +137,7 @@ public void testPrettyFormatString() throws Exception {
      * @throws java.lang.Exception if any.
      */
     @Test
-    public void testPrettyFormatReaderWriter2() throws Exception {
+    void prettyFormatReaderWriter2() throws Exception {
         File testDocument = new File(getBasedir(), "src/test/resources/test.xdoc.xhtml");
         assertTrue(testDocument.exists());
 
diff --git a/src/test/java/org/codehaus/plexus/util/xml/XmlWriterUtilTest.java b/src/test/java/org/codehaus/plexus/util/xml/XmlWriterUtilTest.java
index 35ca0a2..2a8c54a 100644
--- a/src/test/java/org/codehaus/plexus/util/xml/XmlWriterUtilTest.java
+++ b/src/test/java/org/codehaus/plexus/util/xml/XmlWriterUtilTest.java
@@ -20,12 +20,12 @@
 import java.io.OutputStream;
 import java.io.Writer;
 
-import org.codehaus.plexus.util.StringUtils;
 import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 
-import static org.junit.jupiter.api.Assertions.*;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
 /**
  * <p>XmlWriterUtilTest class.</p>
@@ -34,7 +34,7 @@
  * @version $Id: $Id
  * @since 3.4.0
  */
-public class XmlWriterUtilTest {
+class XmlWriterUtilTest {
     private OutputStream output;
 
     private Writer writer;
@@ -47,7 +47,7 @@ public class XmlWriterUtilTest {
      * @throws java.lang.Exception if any.
      */
     @BeforeEach
-    public void setUp() throws Exception {
+    void setUp() throws Exception {
         output = new ByteArrayOutputStream();
         writer = new XmlStreamWriter(output);
         xmlWriter = new PrettyPrintXMLWriter(writer);
@@ -59,7 +59,7 @@ public void setUp() throws Exception {
      * @throws java.lang.Exception if any.
      */
     @AfterEach
-    public void tearDown() throws Exception {
+    void tearDown() throws Exception {
         xmlWriter = null;
         writer = null;
         output = null;
@@ -72,10 +72,10 @@ public void tearDown() throws Exception {
      * @throws java.lang.Exception if any
      */
     @Test
-    public void testWriteLineBreakXMLWriter() throws Exception {
+    void writeLineBreakXMLWriter() throws Exception {
         XmlWriterUtil.writeLineBreak(xmlWriter);
         writer.close();
-        assertTrue(StringUtils.countMatches(output.toString(), XmlWriterUtil.LS) == 1);
+        assertEquals(1, TestUtils.countMatches(output.toString(), XmlWriterUtil.LS));
     }
 
     /**
@@ -85,10 +85,10 @@ public void testWriteLineBreakXMLWriter() throws Exception {
      * @throws java.lang.Exception if any
      */
     @Test
-    public void testWriteLineBreakXMLWriterInt() throws Exception {
+    void writeLineBreakXMLWriterInt() throws Exception {
         XmlWriterUtil.writeLineBreak(xmlWriter, 10);
         writer.close();
-        assertTrue(StringUtils.countMatches(output.toString(), XmlWriterUtil.LS) == 10);
+        assertEquals(10, TestUtils.countMatches(output.toString(), XmlWriterUtil.LS));
     }
 
     /**
@@ -98,13 +98,11 @@ public void testWriteLineBreakXMLWriterInt() throws Exception {
      * @throws java.lang.Exception if any
      */
     @Test
-    public void testWriteLineBreakXMLWriterIntInt() throws Exception {
+    void writeLineBreakXMLWriterIntInt() throws Exception {
         XmlWriterUtil.writeLineBreak(xmlWriter, 10, 2);
         writer.close();
-        assertTrue(StringUtils.countMatches(output.toString(), XmlWriterUtil.LS) == 10);
-        assertTrue(StringUtils.countMatches(
-                        output.toString(), StringUtils.repeat(" ", 2 * XmlWriterUtil.DEFAULT_INDENTATION_SIZE))
-                == 1);
+        assertEquals(10, TestUtils.countMatches(output.toString(), XmlWriterUtil.LS));
+        assertEquals(1, TestUtils.countMatches(output.toString(), "    ")); //
     }
 
     /**
@@ -114,11 +112,11 @@ public void testWriteLineBreakXMLWriterIntInt() throws Exception {
      * @throws java.lang.Exception if any
      */
     @Test
-    public void testWriteLineBreakXMLWriterIntIntInt() throws Exception {
+    void writeLineBreakXMLWriterIntIntInt() throws Exception {
         XmlWriterUtil.writeLineBreak(xmlWriter, 10, 2, 4);
         writer.close();
-        assertTrue(StringUtils.countMatches(output.toString(), XmlWriterUtil.LS) == 10);
-        assertTrue(StringUtils.countMatches(output.toString(), StringUtils.repeat(" ", 2 * 4)) == 1);
+        assertEquals(10, TestUtils.countMatches(output.toString(), XmlWriterUtil.LS));
+        assertEquals(1, TestUtils.countMatches(output.toString(), "        "));
     }
 
     /**
@@ -128,14 +126,14 @@ public void testWriteLineBreakXMLWriterIntIntInt() throws Exception {
      * @throws java.lang.Exception if any
      */
     @Test
-    public void testWriteCommentLineBreakXMLWriter() throws Exception {
+    void writeCommentLineBreakXMLWriter() throws Exception {
         XmlWriterUtil.writeCommentLineBreak(xmlWriter);
         writer.close();
         StringBuilder sb = new StringBuilder();
         sb.append("<!-- ====================================================================== -->")
                 .append(XmlWriterUtil.LS);
         assertEquals(output.toString(), sb.toString());
-        assertTrue(output.toString().length() == XmlWriterUtil.DEFAULT_COLUMN_LINE - 1 + XmlWriterUtil.LS.length());
+        assertEquals(output.toString().length(), XmlWriterUtil.DEFAULT_COLUMN_LINE - 1 + XmlWriterUtil.LS.length());
     }
 
     /**
@@ -145,7 +143,7 @@ public void testWriteCommentLineBreakXMLWriter() throws Exception {
      * @throws java.lang.Exception if any
      */
     @Test
-    public void testWriteCommentLineBreakXMLWriterInt() throws Exception {
+    void writeCommentLineBreakXMLWriterInt() throws Exception {
         XmlWriterUtil.writeCommentLineBreak(xmlWriter, 20);
         writer.close();
         assertEquals(output.toString(), "<!-- ========== -->" + XmlWriterUtil.LS);
@@ -165,14 +163,14 @@ public void testWriteCommentLineBreakXMLWriterInt() throws Exception {
      * @throws java.lang.Exception if any
      */
     @Test
-    public void testWriteCommentXMLWriterString() throws Exception {
+    void writeCommentXMLWriterString() throws Exception {
         XmlWriterUtil.writeComment(xmlWriter, "hello");
         writer.close();
         StringBuffer sb = new StringBuffer();
         sb.append("<!-- hello                                                                  -->")
                 .append(XmlWriterUtil.LS);
         assertEquals(output.toString(), sb.toString());
-        assertTrue(output.toString().length() == XmlWriterUtil.DEFAULT_COLUMN_LINE - 1 + XmlWriterUtil.LS.length());
+        assertEquals(output.toString().length(), XmlWriterUtil.DEFAULT_COLUMN_LINE - 1 + XmlWriterUtil.LS.length());
 
         tearDown();
         setUp();
@@ -197,8 +195,8 @@ public void testWriteCommentXMLWriterString() throws Exception {
         sb.append("<!-- world                                                                  -->")
                 .append(XmlWriterUtil.LS);
         assertEquals(output.toString(), sb.toString());
-        assertTrue(
-                output.toString().length() == 2 * (XmlWriterUtil.DEFAULT_COLUMN_LINE - 1 + XmlWriterUtil.LS.length()));
+        assertEquals(
+                output.toString().length(), 2 * (XmlWriterUtil.DEFAULT_COLUMN_LINE - 1 + XmlWriterUtil.LS.length()));
     }
 
     /**
@@ -208,8 +206,8 @@ public void testWriteCommentXMLWriterString() throws Exception {
      * @throws java.lang.Exception if any
      */
     @Test
-    public void testWriteCommentXMLWriterStringInt() throws Exception {
-        String indent = StringUtils.repeat(" ", 2 * XmlWriterUtil.DEFAULT_INDENTATION_SIZE);
+    void writeCommentXMLWriterStringInt() throws Exception {
+        String indent = "    ";
 
         XmlWriterUtil.writeComment(xmlWriter, "hello", 2);
         writer.close();
@@ -218,8 +216,9 @@ public void testWriteCommentXMLWriterStringInt() throws Exception {
         sb.append("<!-- hello                                                                  -->")
                 .append(XmlWriterUtil.LS);
         assertEquals(output.toString(), sb.toString());
-        assertTrue(output.toString().length()
-                == XmlWriterUtil.DEFAULT_COLUMN_LINE
+        assertEquals(
+                output.toString().length(),
+                XmlWriterUtil.DEFAULT_COLUMN_LINE
                         - 1
                         + XmlWriterUtil.LS.length()
                         + 2 * XmlWriterUtil.DEFAULT_INDENTATION_SIZE);
@@ -237,8 +236,9 @@ public void testWriteCommentXMLWriterStringInt() throws Exception {
         sb.append("<!-- world                                                                  -->")
                 .append(XmlWriterUtil.LS);
         assertEquals(output.toString(), sb.toString());
-        assertTrue(output.toString().length()
-                == 2 * (XmlWriterUtil.DEFAULT_COLUMN_LINE - 1 + XmlWriterUtil.LS.length()) + 2 * indent.length());
+        assertEquals(
+                output.toString().length(),
+                2 * (XmlWriterUtil.DEFAULT_COLUMN_LINE - 1 + XmlWriterUtil.LS.length()) + 2 * indent.length());
     }
 
     /**
@@ -248,8 +248,8 @@ public void testWriteCommentXMLWriterStringInt() throws Exception {
      * @throws java.lang.Exception if any
      */
     @Test
-    public void testWriteCommentXMLWriterStringIntInt() throws Exception {
-        String repeat = StringUtils.repeat(" ", 2 * 4);
+    void writeCommentXMLWriterStringIntInt() throws Exception {
+        String repeat = "        ";
 
         XmlWriterUtil.writeComment(xmlWriter, "hello", 2, 4);
         writer.close();
@@ -258,8 +258,8 @@ public void testWriteCommentXMLWriterStringIntInt() throws Exception {
         sb.append("<!-- hello                                                                  -->")
                 .append(XmlWriterUtil.LS);
         assertEquals(output.toString(), sb.toString());
-        assertTrue(output.toString().length()
-                == XmlWriterUtil.DEFAULT_COLUMN_LINE - 1 + XmlWriterUtil.LS.length() + 2 * 4);
+        assertEquals(
+                output.toString().length(), XmlWriterUtil.DEFAULT_COLUMN_LINE - 1 + XmlWriterUtil.LS.length() + 2 * 4);
 
         tearDown();
         setUp();
@@ -274,8 +274,9 @@ public void testWriteCommentXMLWriterStringIntInt() throws Exception {
         sb.append("<!-- world                                                                  -->")
                 .append(XmlWriterUtil.LS);
         assertEquals(output.toString(), sb.toString());
-        assertTrue(output.toString().length()
-                == 2 * (XmlWriterUtil.DEFAULT_COLUMN_LINE - 1 + XmlWriterUtil.LS.length()) + 2 * repeat.length());
+        assertEquals(
+                output.toString().length(),
+                2 * (XmlWriterUtil.DEFAULT_COLUMN_LINE - 1 + XmlWriterUtil.LS.length()) + 2 * repeat.length());
     }
 
     /**
@@ -285,8 +286,8 @@ public void testWriteCommentXMLWriterStringIntInt() throws Exception {
      * @throws java.lang.Exception if any
      */
     @Test
-    public void testWriteCommentXMLWriterStringIntIntInt() throws Exception {
-        String indent = StringUtils.repeat(" ", 2 * 4);
+    void writeCommentXMLWriterStringIntIntInt() throws Exception {
+        String indent = "        ";
 
         XmlWriterUtil.writeComment(xmlWriter, "hello", 2, 4, 50);
         writer.close();
@@ -294,7 +295,7 @@ public void testWriteCommentXMLWriterStringIntIntInt() throws Exception {
         sb.append(indent);
         sb.append("<!-- hello                                    -->").append(XmlWriterUtil.LS);
         assertEquals(output.toString(), sb.toString());
-        assertTrue(output.toString().length() == 50 - 1 + XmlWriterUtil.LS.length() + 2 * 4);
+        assertEquals(output.toString().length(), 50 - 1 + XmlWriterUtil.LS.length() + 2 * 4);
 
         tearDown();
         setUp();
@@ -315,7 +316,7 @@ public void testWriteCommentXMLWriterStringIntIntInt() throws Exception {
      * @throws java.lang.Exception if any
      */
     @Test
-    public void testWriteCommentTextXMLWriterStringInt() throws Exception {
+    void writeCommentTextXMLWriterStringInt() throws Exception {
         XmlWriterUtil.writeCommentText(xmlWriter, "hello", 0);
         writer.close();
         StringBuffer sb = new StringBuffer();
@@ -328,13 +329,13 @@ public void testWriteCommentTextXMLWriterStringInt() throws Exception {
                 .append(XmlWriterUtil.LS);
         sb.append(XmlWriterUtil.LS);
         assertEquals(output.toString(), sb.toString());
-        assertTrue(
-                output.toString().length() == 3 * (80 - 1 + XmlWriterUtil.LS.length()) + 2 * XmlWriterUtil.LS.length());
+        assertEquals(
+                output.toString().length(), 3 * (80 - 1 + XmlWriterUtil.LS.length()) + 2 * XmlWriterUtil.LS.length());
 
         tearDown();
         setUp();
 
-        String indent = StringUtils.repeat(" ", 2 * 2);
+        String indent = "    ";
 
         XmlWriterUtil.writeCommentText(
                 xmlWriter,
@@ -374,8 +375,8 @@ public void testWriteCommentTextXMLWriterStringInt() throws Exception {
      * @throws java.lang.Exception if any
      */
     @Test
-    public void testWriteCommentTextXMLWriterStringIntInt() throws Exception {
-        String indent = StringUtils.repeat(" ", 2 * 4);
+    void writeCommentTextXMLWriterStringIntInt() throws Exception {
+        String indent = "        ";
 
         XmlWriterUtil.writeCommentText(xmlWriter, "hello", 2, 4);
         writer.close();
@@ -393,8 +394,9 @@ public void testWriteCommentTextXMLWriterStringIntInt() throws Exception {
         sb.append(XmlWriterUtil.LS);
         sb.append(indent);
         assertEquals(output.toString(), sb.toString());
-        assertTrue(output.toString().length()
-                == 3 * (80 - 1 + XmlWriterUtil.LS.length()) + 4 * 2 * 4 + 2 * XmlWriterUtil.LS.length());
+        assertEquals(
+                output.toString().length(),
+                3 * (80 - 1 + XmlWriterUtil.LS.length()) + 4 * 2 * 4 + 2 * XmlWriterUtil.LS.length());
     }
 
     /**
@@ -404,8 +406,8 @@ public void testWriteCommentTextXMLWriterStringIntInt() throws Exception {
      * @throws java.lang.Exception if any
      */
     @Test
-    public void testWriteCommentTextXMLWriterStringIntIntInt() throws Exception {
-        String indent = StringUtils.repeat(" ", 2 * 4);
+    void writeCommentTextXMLWriterStringIntIntInt() throws Exception {
+        String indent = "        ";
 
         XmlWriterUtil.writeCommentText(xmlWriter, "hello", 2, 4, 50);
         writer.close();
@@ -423,8 +425,9 @@ public void testWriteCommentTextXMLWriterStringIntIntInt() throws Exception {
         sb.append(XmlWriterUtil.LS);
         sb.append(indent);
         assertEquals(output.toString(), sb.toString());
-        assertTrue(output.toString().length()
-                == 3 * (50 - 1 + XmlWriterUtil.LS.length()) + 4 * 2 * 4 + 2 * XmlWriterUtil.LS.length());
+        assertEquals(
+                output.toString().length(),
+                3 * (50 - 1 + XmlWriterUtil.LS.length()) + 4 * 2 * 4 + 2 * XmlWriterUtil.LS.length());
     }
 
     /**
@@ -434,7 +437,7 @@ public void testWriteCommentTextXMLWriterStringIntIntInt() throws Exception {
      * @throws java.lang.Exception if any
      */
     @Test
-    public void testWriteCommentNull() throws Exception {
+    void writeCommentNull() throws Exception {
         XmlWriterUtil.writeComment(xmlWriter, null);
         writer.close();
         StringBuilder sb = new StringBuilder();
@@ -450,7 +453,7 @@ public void testWriteCommentNull() throws Exception {
      * @throws java.lang.Exception if any
      */
     @Test
-    public void testWriteCommentShort() throws Exception {
+    void writeCommentShort() throws Exception {
         XmlWriterUtil.writeComment(xmlWriter, "This is a short text");
         writer.close();
         StringBuilder sb = new StringBuilder();
@@ -466,7 +469,7 @@ public void testWriteCommentShort() throws Exception {
      * @throws java.lang.Exception if any
      */
     @Test
-    public void testWriteCommentLong() throws Exception {
+    void writeCommentLong() throws Exception {
         XmlWriterUtil.writeComment(
                 xmlWriter,
                 "Maven is a software project management and comprehension tool. "
diff --git a/src/test/java/org/codehaus/plexus/util/xml/Xpp3DomBuilderTest.java b/src/test/java/org/codehaus/plexus/util/xml/Xpp3DomBuilderTest.java
index c8db71b..a490540 100644
--- a/src/test/java/org/codehaus/plexus/util/xml/Xpp3DomBuilderTest.java
+++ b/src/test/java/org/codehaus/plexus/util/xml/Xpp3DomBuilderTest.java
@@ -34,7 +34,7 @@
  * @version $Id: $Id
  * @since 3.4.0
  */
-public class Xpp3DomBuilderTest {
+class Xpp3DomBuilderTest {
     private static final String LS = System.lineSeparator();
 
     /**
@@ -43,7 +43,7 @@ public class Xpp3DomBuilderTest {
      * @throws java.lang.Exception if any.
      */
     @Test
-    public void testBuildFromReader() throws Exception {
+    void buildFromReader() throws Exception {
         String domString = createDomString();
 
         Xpp3Dom dom = Xpp3DomBuilder.build(new StringReader(domString));
@@ -59,7 +59,7 @@ public void testBuildFromReader() throws Exception {
      * @throws java.lang.Exception if any.
      */
     @Test
-    public void testBuildTrimming() throws Exception {
+    void buildTrimming() throws Exception {
         String domString = createDomString();
 
         Xpp3Dom dom = Xpp3DomBuilder.build(new StringReader(domString), true);
@@ -77,7 +77,7 @@ public void testBuildTrimming() throws Exception {
      * @throws java.lang.Exception if any.
      */
     @Test
-    public void testBuildFromXpp3Dom() throws Exception {
+    void buildFromXpp3Dom() throws Exception {
         Xpp3Dom expectedDom = createExpectedDom();
         Xpp3Dom dom = null;
 
@@ -123,7 +123,7 @@ public void testBuildFromXpp3Dom() throws Exception {
      * Test we get an error from the parser, and don't hit the IllegalStateException.
      */
     @Test
-    public void testUnclosedXml() {
+    void unclosedXml() {
         String domString = "<newRoot>" + createDomString();
         try {
             Xpp3DomBuilder.build(new StringReader(domString));
@@ -143,7 +143,7 @@ public void testUnclosedXml() {
      * @throws org.codehaus.plexus.util.xml.pull.XmlPullParserException if any.
      */
     @Test
-    public void testEscapingInContent() throws IOException, XmlPullParserException {
+    void escapingInContent() throws IOException, XmlPullParserException {
         Xpp3Dom dom = Xpp3DomBuilder.build(new StringReader(getEncodedString()));
 
         assertEquals("\"text\"", dom.getChild("el").getValue(), "Check content value");
@@ -162,7 +162,7 @@ public void testEscapingInContent() throws IOException, XmlPullParserException {
      * @throws org.codehaus.plexus.util.xml.pull.XmlPullParserException if any.
      */
     @Test
-    public void testEscapingInAttributes() throws IOException, XmlPullParserException {
+    void escapingInAttributes() throws IOException, XmlPullParserException {
         String s = getAttributeEncodedString();
         Xpp3Dom dom = Xpp3DomBuilder.build(new StringReader(s));
 
@@ -181,7 +181,7 @@ public void testEscapingInAttributes() throws IOException, XmlPullParserExceptio
      * @throws org.codehaus.plexus.util.xml.pull.XmlPullParserException if any.
      */
     @Test
-    public void testInputLocationTracking() throws IOException, XmlPullParserException {
+    void inputLocationTracking() throws IOException, XmlPullParserException {
         Xpp3DomBuilder.InputLocationBuilder ilb = new Xpp3DomBuilder.InputLocationBuilder() {
             public Object toInputLocation(XmlPullParser parser) {
                 return parser.getLineNumber(); // store only line number as a simple Integer
diff --git a/src/test/java/org/codehaus/plexus/util/xml/Xpp3DomTest.java b/src/test/java/org/codehaus/plexus/util/xml/Xpp3DomTest.java
index dccdde3..9c3d85f 100644
--- a/src/test/java/org/codehaus/plexus/util/xml/Xpp3DomTest.java
+++ b/src/test/java/org/codehaus/plexus/util/xml/Xpp3DomTest.java
@@ -38,12 +38,12 @@
  * @version $Id: $Id
  * @since 3.4.0
  */
-public class Xpp3DomTest {
+class Xpp3DomTest {
     /**
      * <p>testShouldPerformAppendAtFirstSubElementLevel.</p>
      */
     @Test
-    public void testShouldPerformAppendAtFirstSubElementLevel() {
+    void shouldPerformAppendAtFirstSubElementLevel() {
         // create the dominant DOM
         Xpp3Dom t1 = new Xpp3Dom("top");
         t1.setAttribute(Xpp3Dom.CHILDREN_COMBINATION_MODE_ATTRIBUTE, Xpp3Dom.CHILDREN_COMBINATION_APPEND);
@@ -81,7 +81,7 @@ public void testShouldPerformAppendAtFirstSubElementLevel() {
      * <p>testShouldOverrideAppendAndDeepMerge.</p>
      */
     @Test
-    public void testShouldOverrideAppendAndDeepMerge() {
+    void shouldOverrideAppendAndDeepMerge() {
         // create the dominant DOM
         Xpp3Dom t1 = new Xpp3Dom("top");
         t1.setAttribute(Xpp3Dom.CHILDREN_COMBINATION_MODE_ATTRIBUTE, Xpp3Dom.CHILDREN_COMBINATION_APPEND);
@@ -117,7 +117,7 @@ public void testShouldOverrideAppendAndDeepMerge() {
      * <p>testShouldPerformSelfOverrideAtTopLevel.</p>
      */
     @Test
-    public void testShouldPerformSelfOverrideAtTopLevel() {
+    void shouldPerformSelfOverrideAtTopLevel() {
         // create the dominant DOM
         Xpp3Dom t1 = new Xpp3Dom("top");
         t1.setAttribute("attr", "value");
@@ -143,7 +143,7 @@ public void testShouldPerformSelfOverrideAtTopLevel() {
      * <p>testShouldMergeValuesAtTopLevelByDefault.</p>
      */
     @Test
-    public void testShouldNotMergeValuesAtTopLevelByDefault() {
+    void shouldNotMergeValuesAtTopLevelByDefault() {
         // create the dominant DOM
         Xpp3Dom t1 = new Xpp3Dom("top");
         t1.setAttribute("attr", "value");
@@ -169,7 +169,7 @@ public void testShouldNotMergeValuesAtTopLevelByDefault() {
      * <p>testShouldMergeValuesAtTopLevel.</p>
      */
     @Test
-    public void testShouldNotMergeValues() {
+    void shouldNotMergeValues() {
         // create the dominant DOM
         Xpp3Dom t1 = new Xpp3Dom("top");
         t1.setAttribute("attr", "value");
@@ -192,32 +192,25 @@ public void testShouldNotMergeValues() {
      * <p>testNullAttributeNameOrValue.</p>
      */
     @Test
-    public void testNullAttributeNameOrValue() {
+    void nullAttributeNameOrValue() {
         Xpp3Dom t1 = new Xpp3Dom("top");
-        try {
-            t1.setAttribute("attr", null);
-            fail("null attribute values shouldn't be allowed");
-        } catch (NullPointerException e) {
-        }
-        t1.toString();
-        try {
-            t1.setAttribute(null, "value");
-            fail("null attribute names shouldn't be allowed");
-        } catch (NullPointerException e) {
-        }
-        t1.toString();
+        assertThrows(NullPointerException.class, () -> t1.setAttribute("attr", null));
+        assertNotNull(t1.toString());
+
+        assertThrows(NullPointerException.class, () -> t1.setAttribute(null, "value"));
+        assertNotNull(t1.toString());
     }
 
     /**
      * <p>testEquals.</p>
      */
     @Test
-    public void testEquals() {
+    void equals() {
         Xpp3Dom dom = new Xpp3Dom("top");
 
         assertEquals(dom, dom);
-        assertFalse(dom.equals(null));
-        assertFalse(dom.equals(new Xpp3Dom("")));
+        assertNotEquals(null, dom);
+        assertNotEquals(new Xpp3Dom(""), dom);
     }
 
     /**
@@ -227,7 +220,7 @@ public void testEquals() {
      * @throws java.io.IOException if any.
      */
     @Test
-    public void testEqualsIsNullSafe() throws XmlPullParserException, IOException {
+    void equalsIsNullSafe() throws XmlPullParserException, IOException {
         String testDom = "<configuration><items thing='blah'><item>one</item><item>two</item></items></configuration>";
         Xpp3Dom dom = Xpp3DomBuilder.build(new StringReader(testDom));
 
@@ -249,7 +242,7 @@ public void testEqualsIsNullSafe() throws XmlPullParserException, IOException {
      * @throws java.io.IOException if any.
      */
     @Test
-    public void testShouldOverwritePluginConfigurationSubItemsByDefault() throws XmlPullParserException, IOException {
+    void shouldOverwritePluginConfigurationSubItemsByDefault() throws XmlPullParserException, IOException {
         String parentConfigStr = "<configuration><items><item>one</item><item>two</item></items></configuration>";
         Xpp3Dom parentConfig =
                 Xpp3DomBuilder.build(new StringReader(parentConfigStr), new FixedInputLocationBuilder("parent"));
@@ -275,8 +268,7 @@ public void testShouldOverwritePluginConfigurationSubItemsByDefault() throws Xml
      * @throws java.io.IOException if any.
      */
     @Test
-    public void testShouldMergePluginConfigurationSubItemsWithMergeAttributeSet()
-            throws XmlPullParserException, IOException {
+    void shouldMergePluginConfigurationSubItemsWithMergeAttributeSet() throws XmlPullParserException, IOException {
         String parentConfigStr = "<configuration><items><item>one</item><item>two</item></items></configuration>";
         Xpp3Dom parentConfig =
                 Xpp3DomBuilder.build(new StringReader(parentConfigStr), new FixedInputLocationBuilder("parent"));
@@ -307,7 +299,7 @@ public void testShouldMergePluginConfigurationSubItemsWithMergeAttributeSet()
      * @throws java.lang.Exception if any.
      */
     @Test
-    public void testShouldNotChangeUponMergeWithItselfWhenFirstOrLastSubItemIsEmpty() throws Exception {
+    void shouldNotChangeUponMergeWithItselfWhenFirstOrLastSubItemIsEmpty() throws Exception {
         String configStr = "<configuration><items><item/><item>test</item><item/></items></configuration>";
         Xpp3Dom dominantConfig = Xpp3DomBuilder.build(new StringReader(configStr));
         Xpp3Dom recessiveConfig = Xpp3DomBuilder.build(new StringReader(configStr));
@@ -317,9 +309,9 @@ public void testShouldNotChangeUponMergeWithItselfWhenFirstOrLastSubItemIsEmpty(
 
         assertEquals(3, items.getChildCount());
 
-        assertEquals(null, items.getChild(0).getValue());
+        assertNull(items.getChild(0).getValue());
         assertEquals("test", items.getChild(1).getValue());
-        assertEquals(null, items.getChild(2).getValue());
+        assertNull(items.getChild(2).getValue());
     }
 
     /**
@@ -328,7 +320,7 @@ public void testShouldNotChangeUponMergeWithItselfWhenFirstOrLastSubItemIsEmpty(
      * @throws java.lang.Exception if any.
      */
     @Test
-    public void testShouldCopyRecessiveChildrenNotPresentInTarget() throws Exception {
+    void shouldCopyRecessiveChildrenNotPresentInTarget() throws Exception {
         String dominantStr = "<configuration><foo>x</foo></configuration>";
         String recessiveStr = "<configuration><bar>y</bar></configuration>";
         Xpp3Dom dominantConfig = Xpp3DomBuilder.build(new StringReader(dominantStr));
@@ -350,7 +342,7 @@ public void testShouldCopyRecessiveChildrenNotPresentInTarget() throws Exception
      * @throws org.codehaus.plexus.util.xml.pull.XmlPullParserException if any.
      */
     @Test
-    public void testDupeChildren() throws IOException, XmlPullParserException {
+    void dupeChildren() throws IOException, XmlPullParserException {
         String dupes = "<configuration><foo>x</foo><foo>y</foo></configuration>";
         Xpp3Dom dom = Xpp3DomBuilder.build(new StringReader(dupes));
         assertNotNull(dom);
@@ -363,7 +355,7 @@ public void testDupeChildren() throws IOException, XmlPullParserException {
      * @throws java.lang.Exception if any.
      */
     @Test
-    public void testShouldRemoveEntireElementWithAttributesAndChildren() throws Exception {
+    void shouldRemoveEntireElementWithAttributesAndChildren() throws Exception {
         String dominantStr = "<config><service combine.self=\"remove\"/></config>";
         String recessiveStr = "<config><service><parameter>parameter</parameter></service></config>";
         Xpp3Dom dominantConfig = Xpp3DomBuilder.build(new StringReader(dominantStr));
@@ -381,7 +373,7 @@ public void testShouldRemoveEntireElementWithAttributesAndChildren() throws Exce
      * @throws java.lang.Exception if any.
      */
     @Test
-    public void testShouldRemoveDoNotRemoveTagWhenSwappedInputDOMs() throws Exception {
+    void shouldRemoveDoNotRemoveTagWhenSwappedInputDOMs() throws Exception {
         String dominantStr = "<config><service combine.self=\"remove\"/></config>";
         String recessiveStr = "<config><service><parameter>parameter</parameter></service></config>";
         Xpp3Dom dominantConfig = Xpp3DomBuilder.build(new StringReader(dominantStr));
@@ -399,7 +391,7 @@ public void testShouldRemoveDoNotRemoveTagWhenSwappedInputDOMs() throws Exceptio
      * @throws java.lang.Exception if any.
      */
     @Test
-    public void testCombineId() throws Exception {
+    void combineId() throws Exception {
         String lhs = "<props>" + "<property combine.id='LHS-ONLY'><name>LHS-ONLY</name><value>LHS</value></property>"
                 + "<property combine.id='TOOVERWRITE'><name>TOOVERWRITE</name><value>LHS</value></property>"
                 + "</props>";
@@ -447,7 +439,7 @@ public void testCombineId() throws Exception {
      * @throws java.lang.Exception if any.
      */
     @Test
-    public void testCombineKeys() throws Exception {
+    void combineKeys() throws Exception {
         String lhs = "<props combine.keys='key'>"
                 + "<property key=\"LHS-ONLY\"><name>LHS-ONLY</name><value>LHS</value></property>"
                 + "<property combine.keys='name'><name>TOOVERWRITE</name><value>LHS</value></property>" + "</props>";
@@ -490,7 +482,7 @@ public void testCombineKeys() throws Exception {
     }
 
     @Test
-    public void testPreserveDominantBlankValue() throws XmlPullParserException, IOException {
+    void preserveDominantBlankValue() throws XmlPullParserException, IOException {
         String lhs = "<parameter xml:space=\"preserve\"> </parameter>";
 
         String rhs = "<parameter>recessive</parameter>";
@@ -505,7 +497,7 @@ public void testPreserveDominantBlankValue() throws XmlPullParserException, IOEx
     }
 
     @Test
-    public void testPreserveDominantEmptyNode() throws XmlPullParserException, IOException {
+    void preserveDominantEmptyNode() throws XmlPullParserException, IOException {
         String lhs = "<parameter></parameter>";
 
         String rhs = "<parameter>recessive</parameter>";
diff --git a/src/test/java/org/codehaus/plexus/util/xml/Xpp3DomWriterTest.java b/src/test/java/org/codehaus/plexus/util/xml/Xpp3DomWriterTest.java
index 233bdd5..fc4cc27 100644
--- a/src/test/java/org/codehaus/plexus/util/xml/Xpp3DomWriterTest.java
+++ b/src/test/java/org/codehaus/plexus/util/xml/Xpp3DomWriterTest.java
@@ -29,14 +29,14 @@
  * @version $Id: $Id
  * @since 3.4.0
  */
-public class Xpp3DomWriterTest {
+class Xpp3DomWriterTest {
     private static final String LS = System.getProperty("line.separator");
 
     /**
      * <p>testWriter.</p>
      */
     @Test
-    public void testWriter() {
+    void writer() {
         StringWriter writer = new StringWriter();
 
         Xpp3DomWriter.write(writer, createXpp3Dom());
@@ -48,7 +48,7 @@ public void testWriter() {
      * <p>testWriterNoEscape.</p>
      */
     @Test
-    public void testWriterNoEscape() {
+    void writerNoEscape() {
         StringWriter writer = new StringWriter();
 
         Xpp3DomWriter.write(new PrettyPrintXMLWriter(writer), createXpp3Dom(), false);
diff --git a/src/test/java/org/codehaus/plexus/util/xml/pull/IBMXML10Tests_Test_IBMXMLConformanceTestSuite_not_wftests_Test_IBMXMLConformanceTestSuite_Production24_Test.java b/src/test/java/org/codehaus/plexus/util/xml/pull/IBMXML10Tests_Test_IBMXMLConformanceTestSuite_not_wftests_Test_IBMXMLConformanceTestSuite_Production24_Test.java
index bb1a7e8..2e1fd7f 100644
--- a/src/test/java/org/codehaus/plexus/util/xml/pull/IBMXML10Tests_Test_IBMXMLConformanceTestSuite_not_wftests_Test_IBMXMLConformanceTestSuite_Production24_Test.java
+++ b/src/test/java/org/codehaus/plexus/util/xml/pull/IBMXML10Tests_Test_IBMXMLConformanceTestSuite_not_wftests_Test_IBMXMLConformanceTestSuite_Production24_Test.java
@@ -20,7 +20,6 @@
  * @version $Id: $Id
  * @since 3.4.0
  */
-public
 class IBMXML10Tests_Test_IBMXMLConformanceTestSuite_not_wftests_Test_IBMXMLConformanceTestSuite_Production24_Test {
 
     static final File testResourcesDir = new File("src/test/resources/", "xmlconf/ibm/");
@@ -31,7 +30,7 @@ class IBMXML10Tests_Test_IBMXMLConformanceTestSuite_not_wftests_Test_IBMXMLConfo
      * <p>setUp.</p>
      */
     @BeforeEach
-    public void setUp() {
+    void setUp() {
         parser = new MXParser();
     }
 
@@ -45,7 +44,7 @@ public void setUp() {
      * @throws java.io.IOException if there is an I/O error
      */
     @Test
-    public void testibm_not_wf_P24_ibm24n01xml() throws IOException {
+    void testibm_not_wf_P24_ibm24n01xml() throws IOException {
         try (Reader reader = new FileReader(new File(testResourcesDir, "not-wf/P24/ibm24n01.xml"))) {
             parser.setInput(reader);
             while (parser.nextToken() != XmlPullParser.END_DOCUMENT)
@@ -68,7 +67,7 @@ public void testibm_not_wf_P24_ibm24n01xml() throws IOException {
      * @throws java.io.IOException if there is an I/O error
      */
     @Test
-    public void testibm_not_wf_P24_ibm24n02xml() throws IOException {
+    void testibm_not_wf_P24_ibm24n02xml() throws IOException {
         try (Reader reader = new FileReader(new File(testResourcesDir, "not-wf/P24/ibm24n02.xml"))) {
             parser.setInput(reader);
             while (parser.nextToken() != XmlPullParser.END_DOCUMENT)
@@ -90,7 +89,7 @@ public void testibm_not_wf_P24_ibm24n02xml() throws IOException {
      * @throws java.io.IOException if there is an I/O error
      */
     @Test
-    public void testibm_not_wf_P24_ibm24n03xml() throws IOException {
+    void testibm_not_wf_P24_ibm24n03xml() throws IOException {
         try (Reader reader = new FileReader(new File(testResourcesDir, "not-wf/P24/ibm24n03.xml"))) {
             parser.setInput(reader);
             while (parser.nextToken() != XmlPullParser.END_DOCUMENT)
@@ -112,7 +111,7 @@ public void testibm_not_wf_P24_ibm24n03xml() throws IOException {
      * @throws java.io.IOException if there is an I/O error
      */
     @Test
-    public void testibm_not_wf_P24_ibm24n04xml() throws IOException {
+    void testibm_not_wf_P24_ibm24n04xml() throws IOException {
         try (Reader reader = new FileReader(new File(testResourcesDir, "not-wf/P24/ibm24n04.xml"))) {
             parser.setInput(reader);
             while (parser.nextToken() != XmlPullParser.END_DOCUMENT)
@@ -134,7 +133,7 @@ public void testibm_not_wf_P24_ibm24n04xml() throws IOException {
      * @throws java.io.IOException if there is an I/O error
      */
     @Test
-    public void testibm_not_wf_P24_ibm24n05xml() throws IOException {
+    void testibm_not_wf_P24_ibm24n05xml() throws IOException {
         try (Reader reader = new FileReader(new File(testResourcesDir, "not-wf/P24/ibm24n05.xml"))) {
             parser.setInput(reader);
             while (parser.nextToken() != XmlPullParser.END_DOCUMENT)
@@ -156,7 +155,7 @@ public void testibm_not_wf_P24_ibm24n05xml() throws IOException {
      * @throws java.io.IOException if there is an I/O error
      */
     @Test
-    public void testibm_not_wf_P24_ibm24n06xml() throws IOException {
+    void testibm_not_wf_P24_ibm24n06xml() throws IOException {
         try (Reader reader = new FileReader(new File(testResourcesDir, "not-wf/P24/ibm24n06.xml"))) {
             parser.setInput(reader);
             while (parser.nextToken() != XmlPullParser.END_DOCUMENT)
@@ -177,7 +176,7 @@ public void testibm_not_wf_P24_ibm24n06xml() throws IOException {
      * @throws java.io.IOException if there is an I/O error
      */
     @Test
-    public void testibm_not_wf_P24_ibm24n07xml() throws IOException {
+    void testibm_not_wf_P24_ibm24n07xml() throws IOException {
         try (Reader reader = new FileReader(new File(testResourcesDir, "not-wf/P24/ibm24n07.xml"))) {
             parser.setInput(reader);
             while (parser.nextToken() != XmlPullParser.END_DOCUMENT)
@@ -198,7 +197,7 @@ public void testibm_not_wf_P24_ibm24n07xml() throws IOException {
      * @throws java.io.IOException if there is an I/O error
      */
     @Test
-    public void testibm_not_wf_P24_ibm24n08xml() throws IOException {
+    void testibm_not_wf_P24_ibm24n08xml() throws IOException {
         try (Reader reader = new FileReader(new File(testResourcesDir, "not-wf/P24/ibm24n08.xml"))) {
             parser.setInput(reader);
             while (parser.nextToken() != XmlPullParser.END_DOCUMENT)
@@ -220,7 +219,7 @@ public void testibm_not_wf_P24_ibm24n08xml() throws IOException {
      * @throws java.io.IOException if there is an I/O error
      */
     @Test
-    public void testibm_not_wf_P24_ibm24n09xml() throws IOException {
+    void testibm_not_wf_P24_ibm24n09xml() throws IOException {
         try (Reader reader = new FileReader(new File(testResourcesDir, "not-wf/P24/ibm24n09.xml"))) {
             parser.setInput(reader);
             while (parser.nextToken() != XmlPullParser.END_DOCUMENT)
diff --git a/src/test/java/org/codehaus/plexus/util/xml/pull/IBMXML10Tests_Test_IBMXMLConformanceTestSuite_not_wftests_Test_IBMXMLConformanceTestSuite_Production2_Test.java b/src/test/java/org/codehaus/plexus/util/xml/pull/IBMXML10Tests_Test_IBMXMLConformanceTestSuite_not_wftests_Test_IBMXMLConformanceTestSuite_Production2_Test.java
index 49227a4..43279b8 100644
--- a/src/test/java/org/codehaus/plexus/util/xml/pull/IBMXML10Tests_Test_IBMXMLConformanceTestSuite_not_wftests_Test_IBMXMLConformanceTestSuite_Production2_Test.java
+++ b/src/test/java/org/codehaus/plexus/util/xml/pull/IBMXML10Tests_Test_IBMXMLConformanceTestSuite_not_wftests_Test_IBMXMLConformanceTestSuite_Production2_Test.java
@@ -38,7 +38,7 @@ class IBMXML10Tests_Test_IBMXMLConformanceTestSuite_not_wftests_Test_IBMXMLConfo
      * <p>setUp.</p>
      */
     @BeforeEach
-    public void setUp() {
+    void setUp() {
         parser = new MXParser();
     }
 
@@ -52,7 +52,7 @@ public void setUp() {
      * @throws java.io.IOException if there is an I/O error
      */
     @Test
-    public void testibm_not_wf_P02_ibm02n01xml() throws IOException {
+    void testibm_not_wf_P02_ibm02n01xml() throws IOException {
         try (Reader reader = new FileReader(new File(testResourcesDir, "not-wf/P02/ibm02n01.xml"))) {
             parser.setInput(reader);
             while (parser.nextToken() != XmlPullParser.END_DOCUMENT)
@@ -73,7 +73,7 @@ public void testibm_not_wf_P02_ibm02n01xml() throws IOException {
      * @throws java.io.IOException if there is an I/O error
      */
     @Test
-    public void testibm_not_wf_P02_ibm02n02xml() throws IOException {
+    void testibm_not_wf_P02_ibm02n02xml() throws IOException {
         try (Reader reader = new FileReader(new File(testResourcesDir, "not-wf/P02/ibm02n02.xml"))) {
             parser.setInput(reader);
             while (parser.nextToken() != XmlPullParser.END_DOCUMENT)
@@ -94,7 +94,7 @@ public void testibm_not_wf_P02_ibm02n02xml() throws IOException {
      * @throws java.io.IOException if there is an I/O error
      */
     @Test
-    public void testibm_not_wf_P02_ibm02n03xml() throws IOException {
+    void testibm_not_wf_P02_ibm02n03xml() throws IOException {
         try (Reader reader = new FileReader(new File(testResourcesDir, "not-wf/P02/ibm02n03.xml"))) {
             parser.setInput(reader);
             while (parser.nextToken() != XmlPullParser.END_DOCUMENT)
@@ -115,7 +115,7 @@ public void testibm_not_wf_P02_ibm02n03xml() throws IOException {
      * @throws java.io.IOException if there is an I/O error
      */
     @Test
-    public void testibm_not_wf_P02_ibm02n04xml() throws IOException {
+    void testibm_not_wf_P02_ibm02n04xml() throws IOException {
         try (Reader reader = new FileReader(new File(testResourcesDir, "not-wf/P02/ibm02n04.xml"))) {
             parser.setInput(reader);
             while (parser.nextToken() != XmlPullParser.END_DOCUMENT)
@@ -136,7 +136,7 @@ public void testibm_not_wf_P02_ibm02n04xml() throws IOException {
      * @throws java.io.IOException if there is an I/O error
      */
     @Test
-    public void testibm_not_wf_P02_ibm02n05xml() throws IOException {
+    void testibm_not_wf_P02_ibm02n05xml() throws IOException {
         try (Reader reader = new FileReader(new File(testResourcesDir, "not-wf/P02/ibm02n05.xml"))) {
             parser.setInput(reader);
             while (parser.nextToken() != XmlPullParser.END_DOCUMENT)
@@ -157,7 +157,7 @@ public void testibm_not_wf_P02_ibm02n05xml() throws IOException {
      * @throws java.io.IOException if there is an I/O error
      */
     @Test
-    public void testibm_not_wf_P02_ibm02n06xml() throws IOException {
+    void testibm_not_wf_P02_ibm02n06xml() throws IOException {
         try (Reader reader = new FileReader(new File(testResourcesDir, "not-wf/P02/ibm02n06.xml"))) {
             parser.setInput(reader);
             while (parser.nextToken() != XmlPullParser.END_DOCUMENT)
@@ -178,7 +178,7 @@ public void testibm_not_wf_P02_ibm02n06xml() throws IOException {
      * @throws java.io.IOException if there is an I/O error
      */
     @Test
-    public void testibm_not_wf_P02_ibm02n07xml() throws IOException {
+    void testibm_not_wf_P02_ibm02n07xml() throws IOException {
         try (Reader reader = new FileReader(new File(testResourcesDir, "not-wf/P02/ibm02n07.xml"))) {
             parser.setInput(reader);
             while (parser.nextToken() != XmlPullParser.END_DOCUMENT)
@@ -199,7 +199,7 @@ public void testibm_not_wf_P02_ibm02n07xml() throws IOException {
      * @throws java.io.IOException if there is an I/O error
      */
     @Test
-    public void testibm_not_wf_P02_ibm02n08xml() throws IOException {
+    void testibm_not_wf_P02_ibm02n08xml() throws IOException {
         try (Reader reader = new FileReader(new File(testResourcesDir, "not-wf/P02/ibm02n08.xml"))) {
             parser.setInput(reader);
             while (parser.nextToken() != XmlPullParser.END_DOCUMENT)
@@ -220,7 +220,7 @@ public void testibm_not_wf_P02_ibm02n08xml() throws IOException {
      * @throws java.io.IOException if there is an I/O error
      */
     @Test
-    public void testibm_not_wf_P02_ibm02n09xml() throws IOException {
+    void testibm_not_wf_P02_ibm02n09xml() throws IOException {
         try (Reader reader = new FileReader(new File(testResourcesDir, "not-wf/P02/ibm02n09.xml"))) {
             parser.setInput(reader);
             while (parser.nextToken() != XmlPullParser.END_DOCUMENT)
@@ -241,7 +241,7 @@ public void testibm_not_wf_P02_ibm02n09xml() throws IOException {
      * @throws java.io.IOException if there is an I/O error
      */
     @Test
-    public void testibm_not_wf_P02_ibm02n10xml() throws IOException {
+    void testibm_not_wf_P02_ibm02n10xml() throws IOException {
         try (Reader reader = new FileReader(new File(testResourcesDir, "not-wf/P02/ibm02n10.xml"))) {
             parser.setInput(reader);
             while (parser.nextToken() != XmlPullParser.END_DOCUMENT)
@@ -262,7 +262,7 @@ public void testibm_not_wf_P02_ibm02n10xml() throws IOException {
      * @throws java.io.IOException if there is an I/O error
      */
     @Test
-    public void testibm_not_wf_P02_ibm02n11xml() throws IOException {
+    void testibm_not_wf_P02_ibm02n11xml() throws IOException {
         try (Reader reader = new FileReader(new File(testResourcesDir, "not-wf/P02/ibm02n11.xml"))) {
             parser.setInput(reader);
             while (parser.nextToken() != XmlPullParser.END_DOCUMENT)
@@ -283,7 +283,7 @@ public void testibm_not_wf_P02_ibm02n11xml() throws IOException {
      * @throws java.io.IOException if there is an I/O error
      */
     @Test
-    public void testibm_not_wf_P02_ibm02n12xml() throws IOException {
+    void testibm_not_wf_P02_ibm02n12xml() throws IOException {
         try (Reader reader = new FileReader(new File(testResourcesDir, "not-wf/P02/ibm02n12.xml"))) {
             parser.setInput(reader);
             while (parser.nextToken() != XmlPullParser.END_DOCUMENT)
@@ -304,7 +304,7 @@ public void testibm_not_wf_P02_ibm02n12xml() throws IOException {
      * @throws java.io.IOException if there is an I/O error
      */
     @Test
-    public void testibm_not_wf_P02_ibm02n13xml() throws IOException {
+    void testibm_not_wf_P02_ibm02n13xml() throws IOException {
         try (Reader reader = new FileReader(new File(testResourcesDir, "not-wf/P02/ibm02n13.xml"))) {
             parser.setInput(reader);
             while (parser.nextToken() != XmlPullParser.END_DOCUMENT)
@@ -325,7 +325,7 @@ public void testibm_not_wf_P02_ibm02n13xml() throws IOException {
      * @throws java.io.IOException if there is an I/O error
      */
     @Test
-    public void testibm_not_wf_P02_ibm02n14xml() throws IOException {
+    void testibm_not_wf_P02_ibm02n14xml() throws IOException {
         try (Reader reader = new FileReader(new File(testResourcesDir, "not-wf/P02/ibm02n14.xml"))) {
             parser.setInput(reader);
             while (parser.nextToken() != XmlPullParser.END_DOCUMENT)
@@ -346,7 +346,7 @@ public void testibm_not_wf_P02_ibm02n14xml() throws IOException {
      * @throws java.io.IOException if there is an I/O error
      */
     @Test
-    public void testibm_not_wf_P02_ibm02n15xml() throws IOException {
+    void testibm_not_wf_P02_ibm02n15xml() throws IOException {
         try (Reader reader = new FileReader(new File(testResourcesDir, "not-wf/P02/ibm02n15.xml"))) {
             parser.setInput(reader);
             while (parser.nextToken() != XmlPullParser.END_DOCUMENT)
@@ -367,7 +367,7 @@ public void testibm_not_wf_P02_ibm02n15xml() throws IOException {
      * @throws java.io.IOException if there is an I/O error
      */
     @Test
-    public void testibm_not_wf_P02_ibm02n16xml() throws IOException {
+    void testibm_not_wf_P02_ibm02n16xml() throws IOException {
         try (Reader reader = new FileReader(new File(testResourcesDir, "not-wf/P02/ibm02n16.xml"))) {
             parser.setInput(reader);
             while (parser.nextToken() != XmlPullParser.END_DOCUMENT)
@@ -388,7 +388,7 @@ public void testibm_not_wf_P02_ibm02n16xml() throws IOException {
      * @throws java.io.IOException if there is an I/O error
      */
     @Test
-    public void testibm_not_wf_P02_ibm02n17xml() throws IOException {
+    void testibm_not_wf_P02_ibm02n17xml() throws IOException {
         try (Reader reader = new FileReader(new File(testResourcesDir, "not-wf/P02/ibm02n17.xml"))) {
             parser.setInput(reader);
             while (parser.nextToken() != XmlPullParser.END_DOCUMENT)
@@ -409,7 +409,7 @@ public void testibm_not_wf_P02_ibm02n17xml() throws IOException {
      * @throws java.io.IOException if there is an I/O error
      */
     @Test
-    public void testibm_not_wf_P02_ibm02n18xml() throws IOException {
+    void testibm_not_wf_P02_ibm02n18xml() throws IOException {
         try (Reader reader = new FileReader(new File(testResourcesDir, "not-wf/P02/ibm02n18.xml"))) {
             parser.setInput(reader);
             while (parser.nextToken() != XmlPullParser.END_DOCUMENT)
@@ -430,7 +430,7 @@ public void testibm_not_wf_P02_ibm02n18xml() throws IOException {
      * @throws java.io.IOException if there is an I/O error
      */
     @Test
-    public void testibm_not_wf_P02_ibm02n19xml() throws IOException {
+    void testibm_not_wf_P02_ibm02n19xml() throws IOException {
         try (Reader reader = new FileReader(new File(testResourcesDir, "not-wf/P02/ibm02n19.xml"))) {
             parser.setInput(reader);
             while (parser.nextToken() != XmlPullParser.END_DOCUMENT)
@@ -451,7 +451,7 @@ public void testibm_not_wf_P02_ibm02n19xml() throws IOException {
      * @throws java.io.IOException if there is an I/O error
      */
     @Test
-    public void testibm_not_wf_P02_ibm02n20xml() throws IOException {
+    void testibm_not_wf_P02_ibm02n20xml() throws IOException {
         try (Reader reader = new FileReader(new File(testResourcesDir, "not-wf/P02/ibm02n20.xml"))) {
             parser.setInput(reader);
             while (parser.nextToken() != XmlPullParser.END_DOCUMENT)
@@ -472,7 +472,7 @@ public void testibm_not_wf_P02_ibm02n20xml() throws IOException {
      * @throws java.io.IOException if there is an I/O error
      */
     @Test
-    public void testibm_not_wf_P02_ibm02n21xml() throws IOException {
+    void testibm_not_wf_P02_ibm02n21xml() throws IOException {
         try (Reader reader = new FileReader(new File(testResourcesDir, "not-wf/P02/ibm02n21.xml"))) {
             parser.setInput(reader);
             while (parser.nextToken() != XmlPullParser.END_DOCUMENT)
@@ -493,7 +493,7 @@ public void testibm_not_wf_P02_ibm02n21xml() throws IOException {
      * @throws java.io.IOException if there is an I/O error
      */
     @Test
-    public void testibm_not_wf_P02_ibm02n22xml() throws IOException {
+    void testibm_not_wf_P02_ibm02n22xml() throws IOException {
         try (Reader reader = new FileReader(new File(testResourcesDir, "not-wf/P02/ibm02n22.xml"))) {
             parser.setInput(reader);
             while (parser.nextToken() != XmlPullParser.END_DOCUMENT)
@@ -514,7 +514,7 @@ public void testibm_not_wf_P02_ibm02n22xml() throws IOException {
      * @throws java.io.IOException if there is an I/O error
      */
     @Test
-    public void testibm_not_wf_P02_ibm02n23xml() throws IOException {
+    void testibm_not_wf_P02_ibm02n23xml() throws IOException {
         try (Reader reader = new FileReader(new File(testResourcesDir, "not-wf/P02/ibm02n23.xml"))) {
             parser.setInput(reader);
             while (parser.nextToken() != XmlPullParser.END_DOCUMENT)
@@ -535,7 +535,7 @@ public void testibm_not_wf_P02_ibm02n23xml() throws IOException {
      * @throws java.io.IOException if there is an I/O error
      */
     @Test
-    public void testibm_not_wf_P02_ibm02n24xml() throws IOException {
+    void testibm_not_wf_P02_ibm02n24xml() throws IOException {
         try (Reader reader = new FileReader(new File(testResourcesDir, "not-wf/P02/ibm02n24.xml"))) {
             parser.setInput(reader);
             while (parser.nextToken() != XmlPullParser.END_DOCUMENT)
@@ -556,7 +556,7 @@ public void testibm_not_wf_P02_ibm02n24xml() throws IOException {
      * @throws java.io.IOException if there is an I/O error
      */
     @Test
-    public void testibm_not_wf_P02_ibm02n25xml() throws IOException {
+    void testibm_not_wf_P02_ibm02n25xml() throws IOException {
         try (Reader reader = new FileReader(new File(testResourcesDir, "not-wf/P02/ibm02n25.xml"))) {
             parser.setInput(reader);
             while (parser.nextToken() != XmlPullParser.END_DOCUMENT)
@@ -577,7 +577,7 @@ public void testibm_not_wf_P02_ibm02n25xml() throws IOException {
      * @throws java.io.IOException if there is an I/O error
      */
     @Test
-    public void testibm_not_wf_P02_ibm02n26xml() throws IOException {
+    void testibm_not_wf_P02_ibm02n26xml() throws IOException {
         try (Reader reader = new FileReader(new File(testResourcesDir, "not-wf/P02/ibm02n26.xml"))) {
             parser.setInput(reader);
             while (parser.nextToken() != XmlPullParser.END_DOCUMENT)
@@ -598,7 +598,7 @@ public void testibm_not_wf_P02_ibm02n26xml() throws IOException {
      * @throws java.io.IOException if there is an I/O error
      */
     @Test
-    public void testibm_not_wf_P02_ibm02n27xml() throws IOException {
+    void testibm_not_wf_P02_ibm02n27xml() throws IOException {
         try (Reader reader = new FileReader(new File(testResourcesDir, "not-wf/P02/ibm02n27.xml"))) {
             parser.setInput(reader);
             while (parser.nextToken() != XmlPullParser.END_DOCUMENT)
@@ -619,7 +619,7 @@ public void testibm_not_wf_P02_ibm02n27xml() throws IOException {
      * @throws java.io.IOException if there is an I/O error
      */
     @Test
-    public void testibm_not_wf_P02_ibm02n28xml() throws IOException {
+    void testibm_not_wf_P02_ibm02n28xml() throws IOException {
         try (Reader reader = new FileReader(new File(testResourcesDir, "not-wf/P02/ibm02n28.xml"))) {
             parser.setInput(reader);
             while (parser.nextToken() != XmlPullParser.END_DOCUMENT)
@@ -640,7 +640,7 @@ public void testibm_not_wf_P02_ibm02n28xml() throws IOException {
      * @throws java.io.IOException if there is an I/O error
      */
     @Test
-    public void testibm_not_wf_P02_ibm02n29xml() throws IOException {
+    void testibm_not_wf_P02_ibm02n29xml() throws IOException {
         try (Reader reader = new FileReader(new File(testResourcesDir, "not-wf/P02/ibm02n29.xml"))) {
             parser.setInput(reader);
             while (parser.nextToken() != XmlPullParser.END_DOCUMENT)
@@ -710,7 +710,7 @@ public void testibm_not_wf_P02_ibm02n31xml() throws IOException {
      * @throws java.io.IOException if there is an I/O error
      */
     @Test
-    public void testibm_not_wf_P02_ibm02n32xml() throws IOException {
+    void testibm_not_wf_P02_ibm02n32xml() throws IOException {
         try (FileInputStream is = new FileInputStream(new File(testResourcesDir, "not-wf/P02/ibm02n32.xml"));
                 InputStreamReader reader = new InputStreamReader(is, StandardCharsets.UTF_8)) {
             parser.setInput(reader);
@@ -732,7 +732,7 @@ public void testibm_not_wf_P02_ibm02n32xml() throws IOException {
      * @throws java.io.IOException if there is an I/O error
      */
     @Test
-    public void testibm_not_wf_P02_ibm02n33xml() throws IOException {
+    void testibm_not_wf_P02_ibm02n33xml() throws IOException {
         try (FileInputStream is = new FileInputStream(new File(testResourcesDir, "not-wf/P02/ibm02n33.xml"));
                 InputStreamReader reader = new InputStreamReader(is, StandardCharsets.UTF_8)) {
             parser.setInput(reader);
diff --git a/src/test/java/org/codehaus/plexus/util/xml/pull/IBMXML10Tests_Test_IBMXMLConformanceTestSuite_not_wftests_Test_IBMXMLConformanceTestSuite_Production32_Test.java b/src/test/java/org/codehaus/plexus/util/xml/pull/IBMXML10Tests_Test_IBMXMLConformanceTestSuite_not_wftests_Test_IBMXMLConformanceTestSuite_Production32_Test.java
index f99e1ea..cda5f99 100644
--- a/src/test/java/org/codehaus/plexus/util/xml/pull/IBMXML10Tests_Test_IBMXMLConformanceTestSuite_not_wftests_Test_IBMXMLConformanceTestSuite_Production32_Test.java
+++ b/src/test/java/org/codehaus/plexus/util/xml/pull/IBMXML10Tests_Test_IBMXMLConformanceTestSuite_not_wftests_Test_IBMXMLConformanceTestSuite_Production32_Test.java
@@ -31,7 +31,7 @@ class IBMXML10Tests_Test_IBMXMLConformanceTestSuite_not_wftests_Test_IBMXMLConfo
      * <p>setUp.</p>
      */
     @BeforeEach
-    public void setUp() {
+    void setUp() {
         parser = new MXParser();
     }
 
@@ -45,7 +45,7 @@ public void setUp() {
      * @throws java.io.IOException if there is an I/O error
      */
     @Test
-    public void testibm_not_wf_P32_ibm32n01xml() throws IOException {
+    void testibm_not_wf_P32_ibm32n01xml() throws IOException {
         try (Reader reader = new FileReader(new File(testResourcesDir, "not-wf/P32/ibm32n01.xml"))) {
             parser.setInput(reader);
             while (parser.nextToken() != XmlPullParser.END_DOCUMENT)
@@ -67,7 +67,7 @@ public void testibm_not_wf_P32_ibm32n01xml() throws IOException {
      * @throws java.io.IOException if there is an I/O error
      */
     @Test
-    public void testibm_not_wf_P32_ibm32n02xml() throws IOException {
+    void testibm_not_wf_P32_ibm32n02xml() throws IOException {
         try (Reader reader = new FileReader(new File(testResourcesDir, "not-wf/P32/ibm32n02.xml"))) {
             parser.setInput(reader);
             while (parser.nextToken() != XmlPullParser.END_DOCUMENT)
@@ -89,7 +89,7 @@ public void testibm_not_wf_P32_ibm32n02xml() throws IOException {
      * @throws java.io.IOException if there is an I/O error
      */
     @Test
-    public void testibm_not_wf_P32_ibm32n03xml() throws IOException {
+    void testibm_not_wf_P32_ibm32n03xml() throws IOException {
         try (Reader reader = new FileReader(new File(testResourcesDir, "not-wf/P32/ibm32n03.xml"))) {
             parser.setInput(reader);
             while (parser.nextToken() != XmlPullParser.END_DOCUMENT)
@@ -110,7 +110,7 @@ public void testibm_not_wf_P32_ibm32n03xml() throws IOException {
      * @throws java.io.IOException if there is an I/O error
      */
     @Test
-    public void testibm_not_wf_P32_ibm32n04xml() throws IOException {
+    void testibm_not_wf_P32_ibm32n04xml() throws IOException {
         try (Reader reader = new FileReader(new File(testResourcesDir, "not-wf/P32/ibm32n04.xml"))) {
             parser.setInput(reader);
             while (parser.nextToken() != XmlPullParser.END_DOCUMENT)
@@ -131,7 +131,7 @@ public void testibm_not_wf_P32_ibm32n04xml() throws IOException {
      * @throws java.io.IOException if there is an I/O error
      */
     @Test
-    public void testibm_not_wf_P32_ibm32n05xml() throws IOException {
+    void testibm_not_wf_P32_ibm32n05xml() throws IOException {
 
         try (Reader reader = new FileReader(new File(testResourcesDir, "not-wf/P32/ibm32n05.xml"))) {
             parser.setInput(reader);
@@ -153,7 +153,7 @@ public void testibm_not_wf_P32_ibm32n05xml() throws IOException {
      * @throws java.io.IOException if there is an I/O error
      */
     @Test
-    public void testibm_not_wf_P32_ibm32n06xml() throws IOException {
+    void testibm_not_wf_P32_ibm32n06xml() throws IOException {
         try (Reader reader = new FileReader(new File(testResourcesDir, "not-wf/P32/ibm32n06.xml"))) {
             parser.setInput(reader);
             while (parser.nextToken() != XmlPullParser.END_DOCUMENT)
@@ -174,7 +174,7 @@ public void testibm_not_wf_P32_ibm32n06xml() throws IOException {
      * @throws java.io.IOException if there is an I/O error
      */
     @Test
-    public void testibm_not_wf_P32_ibm32n07xml() throws IOException {
+    void testibm_not_wf_P32_ibm32n07xml() throws IOException {
         try (Reader reader = new FileReader(new File(testResourcesDir, "not-wf/P32/ibm32n07.xml"))) {
             parser.setInput(reader);
             while (parser.nextToken() != XmlPullParser.END_DOCUMENT)
@@ -195,7 +195,7 @@ public void testibm_not_wf_P32_ibm32n07xml() throws IOException {
      * @throws java.io.IOException if there is an I/O error
      */
     @Test
-    public void testibm_not_wf_P32_ibm32n08xml() throws IOException {
+    void testibm_not_wf_P32_ibm32n08xml() throws IOException {
         try (Reader reader = new FileReader(new File(testResourcesDir, "not-wf/P32/ibm32n08.xml"))) {
             parser.setInput(reader);
             while (parser.nextToken() != XmlPullParser.END_DOCUMENT)
diff --git a/src/test/java/org/codehaus/plexus/util/xml/pull/IBMXML10Tests_Test_IBMXMLConformanceTestSuite_not_wftests_Test_IBMXMLConformanceTestSuite_Production66_Test.java b/src/test/java/org/codehaus/plexus/util/xml/pull/IBMXML10Tests_Test_IBMXMLConformanceTestSuite_not_wftests_Test_IBMXMLConformanceTestSuite_Production66_Test.java
index debe597..c08b114 100644
--- a/src/test/java/org/codehaus/plexus/util/xml/pull/IBMXML10Tests_Test_IBMXMLConformanceTestSuite_not_wftests_Test_IBMXMLConformanceTestSuite_Production66_Test.java
+++ b/src/test/java/org/codehaus/plexus/util/xml/pull/IBMXML10Tests_Test_IBMXMLConformanceTestSuite_not_wftests_Test_IBMXMLConformanceTestSuite_Production66_Test.java
@@ -21,7 +21,6 @@
  * @version $Id: $Id
  * @since 3.4.0
  */
-public
 class IBMXML10Tests_Test_IBMXMLConformanceTestSuite_not_wftests_Test_IBMXMLConformanceTestSuite_Production66_Test {
 
     static final File testResourcesDir = new File("src/test/resources/", "xmlconf/ibm/");
@@ -32,7 +31,7 @@ class IBMXML10Tests_Test_IBMXMLConformanceTestSuite_not_wftests_Test_IBMXMLConfo
      * <p>setUp.</p>
      */
     @BeforeEach
-    public void setUp() {
+    void setUp() {
         parser = new MXParser();
     }
 
@@ -46,7 +45,7 @@ public void setUp() {
      * @throws java.io.IOException if there is an I/O error
      */
     @Test
-    public void testibm_not_wf_P66_ibm66n01xml() throws IOException {
+    void testibm_not_wf_P66_ibm66n01xml() throws IOException {
         try (Reader reader = new FileReader(new File(testResourcesDir, "not-wf/P66/ibm66n01.xml"))) {
             parser.setInput(reader);
             while (parser.nextToken() != XmlPullParser.END_DOCUMENT)
@@ -68,7 +67,7 @@ public void testibm_not_wf_P66_ibm66n01xml() throws IOException {
      * @throws java.io.IOException if there is an I/O error
      */
     @Test
-    public void testibm_not_wf_P66_ibm66n02xml() throws IOException {
+    void testibm_not_wf_P66_ibm66n02xml() throws IOException {
         try (Reader reader = new FileReader(new File(testResourcesDir, "not-wf/P66/ibm66n02.xml"))) {
             parser.setInput(reader);
             while (parser.nextToken() != XmlPullParser.END_DOCUMENT)
@@ -90,7 +89,7 @@ public void testibm_not_wf_P66_ibm66n02xml() throws IOException {
      * @throws java.io.IOException if there is an I/O error
      */
     @Test
-    public void testibm_not_wf_P66_ibm66n03xml() throws IOException {
+    void testibm_not_wf_P66_ibm66n03xml() throws IOException {
         try (Reader reader = new FileReader(new File(testResourcesDir, "not-wf/P66/ibm66n03.xml"))) {
             parser.setInput(reader);
             while (parser.nextToken() != XmlPullParser.END_DOCUMENT)
@@ -112,7 +111,7 @@ public void testibm_not_wf_P66_ibm66n03xml() throws IOException {
      * @throws java.io.IOException if there is an I/O error
      */
     @Test
-    public void testibm_not_wf_P66_ibm66n04xml() throws IOException {
+    void testibm_not_wf_P66_ibm66n04xml() throws IOException {
         try (Reader reader = new FileReader(new File(testResourcesDir, "not-wf/P66/ibm66n04.xml"))) {
             parser.setInput(reader);
             while (parser.nextToken() != XmlPullParser.END_DOCUMENT)
@@ -136,7 +135,7 @@ public void testibm_not_wf_P66_ibm66n04xml() throws IOException {
      * @throws org.codehaus.plexus.util.xml.pull.XmlPullParserException if any.
      */
     @Test
-    public void testibm_not_wf_P66_ibm66n05xml() throws FileNotFoundException, IOException, XmlPullParserException {
+    void testibm_not_wf_P66_ibm66n05xml() throws FileNotFoundException, IOException, XmlPullParserException {
         try (Reader reader = new FileReader(new File(testResourcesDir, "not-wf/P66/ibm66n05.xml"))) {
             parser.setInput(reader);
             while (parser.nextToken() != XmlPullParser.END_DOCUMENT)
@@ -158,7 +157,7 @@ public void testibm_not_wf_P66_ibm66n05xml() throws FileNotFoundException, IOExc
      * @throws java.io.IOException if there is an I/O error
      */
     @Test
-    public void testibm_not_wf_P66_ibm66n06xml() throws IOException {
+    void testibm_not_wf_P66_ibm66n06xml() throws IOException {
         try (Reader reader = new FileReader(new File(testResourcesDir, "not-wf/P66/ibm66n06.xml"))) {
             parser.setInput(reader);
             while (parser.nextToken() != XmlPullParser.END_DOCUMENT)
@@ -180,7 +179,7 @@ public void testibm_not_wf_P66_ibm66n06xml() throws IOException {
      * @throws java.io.IOException if there is an I/O error
      */
     @Test
-    public void testibm_not_wf_P66_ibm66n07xml() throws IOException {
+    void testibm_not_wf_P66_ibm66n07xml() throws IOException {
         try (Reader reader = new FileReader(new File(testResourcesDir, "not-wf/P66/ibm66n07.xml"))) {
             parser.setInput(reader);
             while (parser.nextToken() != XmlPullParser.END_DOCUMENT)
@@ -202,7 +201,7 @@ public void testibm_not_wf_P66_ibm66n07xml() throws IOException {
      * @throws java.io.IOException if there is an I/O error
      */
     @Test
-    public void testibm_not_wf_P66_ibm66n08xml() throws IOException {
+    void testibm_not_wf_P66_ibm66n08xml() throws IOException {
         try (Reader reader = new FileReader(new File(testResourcesDir, "not-wf/P66/ibm66n08.xml"))) {
             parser.setInput(reader);
             while (parser.nextToken() != XmlPullParser.END_DOCUMENT)
@@ -224,7 +223,7 @@ public void testibm_not_wf_P66_ibm66n08xml() throws IOException {
      * @throws java.io.IOException if there is an I/O error
      */
     @Test
-    public void testibm_not_wf_P66_ibm66n09xml() throws IOException {
+    void testibm_not_wf_P66_ibm66n09xml() throws IOException {
         try (Reader reader = new FileReader(new File(testResourcesDir, "not-wf/P66/ibm66n09.xml"))) {
             parser.setInput(reader);
             while (parser.nextToken() != XmlPullParser.END_DOCUMENT)
@@ -246,7 +245,7 @@ public void testibm_not_wf_P66_ibm66n09xml() throws IOException {
      * @throws java.io.IOException if there is an I/O error
      */
     @Test
-    public void testibm_not_wf_P66_ibm66n10xml() throws IOException {
+    void testibm_not_wf_P66_ibm66n10xml() throws IOException {
         try (Reader reader = new FileReader(new File(testResourcesDir, "not-wf/P66/ibm66n10.xml"))) {
             parser.setInput(reader);
             while (parser.nextToken() != XmlPullParser.END_DOCUMENT)
@@ -268,7 +267,7 @@ public void testibm_not_wf_P66_ibm66n10xml() throws IOException {
      * @throws java.io.IOException if there is an I/O error
      */
     @Test
-    public void testibm_not_wf_P66_ibm66n11xml() throws IOException {
+    void testibm_not_wf_P66_ibm66n11xml() throws IOException {
         try (Reader reader = new FileReader(new File(testResourcesDir, "not-wf/P66/ibm66n11.xml"))) {
             parser.setInput(reader);
             while (parser.nextToken() != XmlPullParser.END_DOCUMENT)
@@ -290,7 +289,7 @@ public void testibm_not_wf_P66_ibm66n11xml() throws IOException {
      * @throws java.io.IOException if there is an I/O error
      */
     @Test
-    public void testibm_not_wf_P66_ibm66n12xml() throws IOException {
+    void testibm_not_wf_P66_ibm66n12xml() throws IOException {
         try (Reader reader = new FileReader(new File(testResourcesDir, "not-wf/P66/ibm66n12.xml"))) {
             parser.setInput(reader);
             while (parser.nextToken() != XmlPullParser.END_DOCUMENT)
@@ -312,7 +311,7 @@ public void testibm_not_wf_P66_ibm66n12xml() throws IOException {
      * @throws java.io.IOException if there is an I/O error
      */
     @Test
-    public void testibm_not_wf_P66_ibm66n13xml() throws IOException {
+    void testibm_not_wf_P66_ibm66n13xml() throws IOException {
         try (Reader reader = new FileReader(new File(testResourcesDir, "not-wf/P66/ibm66n13.xml"))) {
             parser.setInput(reader);
             while (parser.nextToken() != XmlPullParser.END_DOCUMENT)
@@ -334,7 +333,7 @@ public void testibm_not_wf_P66_ibm66n13xml() throws IOException {
      * @throws java.io.IOException if there is an I/O error
      */
     @Test
-    public void testibm_not_wf_P66_ibm66n14xml() throws IOException {
+    void testibm_not_wf_P66_ibm66n14xml() throws IOException {
         try (Reader reader = new FileReader(new File(testResourcesDir, "not-wf/P66/ibm66n14.xml"))) {
             parser.setInput(reader);
             while (parser.nextToken() != XmlPullParser.END_DOCUMENT)
@@ -356,7 +355,7 @@ public void testibm_not_wf_P66_ibm66n14xml() throws IOException {
      * @throws java.io.IOException if there is an I/O error
      */
     @Test
-    public void testibm_not_wf_P66_ibm66n15xml() throws IOException {
+    void testibm_not_wf_P66_ibm66n15xml() throws IOException {
         try (Reader reader = new FileReader(new File(testResourcesDir, "not-wf/P66/ibm66n15.xml"))) {
             parser.setInput(reader);
             while (parser.nextToken() != XmlPullParser.END_DOCUMENT)
diff --git a/src/test/java/org/codehaus/plexus/util/xml/pull/IBMXML10Tests_Test_IBMXMLConformanceTestSuite_not_wftests_Test_IBMXMLConformanceTestSuite_Production80_Test.java b/src/test/java/org/codehaus/plexus/util/xml/pull/IBMXML10Tests_Test_IBMXMLConformanceTestSuite_not_wftests_Test_IBMXMLConformanceTestSuite_Production80_Test.java
index 9581bed..a2b2c16 100644
--- a/src/test/java/org/codehaus/plexus/util/xml/pull/IBMXML10Tests_Test_IBMXMLConformanceTestSuite_not_wftests_Test_IBMXMLConformanceTestSuite_Production80_Test.java
+++ b/src/test/java/org/codehaus/plexus/util/xml/pull/IBMXML10Tests_Test_IBMXMLConformanceTestSuite_not_wftests_Test_IBMXMLConformanceTestSuite_Production80_Test.java
@@ -20,7 +20,6 @@
  * @version $Id: $Id
  * @since 3.4.0
  */
-public
 class IBMXML10Tests_Test_IBMXMLConformanceTestSuite_not_wftests_Test_IBMXMLConformanceTestSuite_Production80_Test {
 
     static final File testResourcesDir = new File("src/test/resources/", "xmlconf/ibm/");
@@ -31,7 +30,7 @@ class IBMXML10Tests_Test_IBMXMLConformanceTestSuite_not_wftests_Test_IBMXMLConfo
      * <p>setUp.</p>
      */
     @BeforeEach
-    public void setUp() {
+    void setUp() {
         parser = new MXParser();
     }
 
@@ -45,7 +44,7 @@ public void setUp() {
      * @throws java.io.IOException if there is an I/O error
      */
     @Test
-    public void testibm_not_wf_P80_ibm80n01xml() throws IOException {
+    void testibm_not_wf_P80_ibm80n01xml() throws IOException {
         try (Reader reader = new FileReader(new File(testResourcesDir, "not-wf/P80/ibm80n01.xml"))) {
             parser.setInput(reader);
             while (parser.nextToken() != XmlPullParser.END_DOCUMENT)
@@ -67,7 +66,7 @@ public void testibm_not_wf_P80_ibm80n01xml() throws IOException {
      * @throws java.io.IOException if there is an I/O error
      */
     @Test
-    public void testibm_not_wf_P80_ibm80n02xml() throws IOException {
+    void testibm_not_wf_P80_ibm80n02xml() throws IOException {
         try (Reader reader = new FileReader(new File(testResourcesDir, "not-wf/P80/ibm80n02.xml"))) {
             parser.setInput(reader);
             while (parser.nextToken() != XmlPullParser.END_DOCUMENT)
@@ -89,7 +88,7 @@ public void testibm_not_wf_P80_ibm80n02xml() throws IOException {
      * @throws java.io.IOException if there is an I/O error
      */
     @Test
-    public void testibm_not_wf_P80_ibm80n03xml() throws IOException {
+    void testibm_not_wf_P80_ibm80n03xml() throws IOException {
         try (Reader reader = new FileReader(new File(testResourcesDir, "not-wf/P80/ibm80n03.xml"))) {
             parser.setInput(reader);
             while (parser.nextToken() != XmlPullParser.END_DOCUMENT)
@@ -112,7 +111,7 @@ public void testibm_not_wf_P80_ibm80n03xml() throws IOException {
      * @throws java.io.IOException if there is an I/O error
      */
     @Test
-    public void testibm_not_wf_P80_ibm80n04xml() throws IOException {
+    void testibm_not_wf_P80_ibm80n04xml() throws IOException {
         try (Reader reader = new FileReader(new File(testResourcesDir, "not-wf/P80/ibm80n04.xml"))) {
             parser.setInput(reader);
             while (parser.nextToken() != XmlPullParser.END_DOCUMENT)
@@ -134,7 +133,7 @@ public void testibm_not_wf_P80_ibm80n04xml() throws IOException {
      * @throws java.io.IOException if there is an I/O error
      */
     @Test
-    public void testibm_not_wf_P80_ibm80n05xml() throws IOException {
+    void testibm_not_wf_P80_ibm80n05xml() throws IOException {
         try (Reader reader = new FileReader(new File(testResourcesDir, "not-wf/P80/ibm80n05.xml"))) {
             parser.setInput(reader);
             while (parser.nextToken() != XmlPullParser.END_DOCUMENT)
@@ -156,7 +155,7 @@ public void testibm_not_wf_P80_ibm80n05xml() throws IOException {
      * @throws java.io.IOException if there is an I/O error
      */
     @Test
-    public void testibm_not_wf_P80_ibm80n06xml() throws IOException {
+    void testibm_not_wf_P80_ibm80n06xml() throws IOException {
         try (Reader reader = new FileReader(new File(testResourcesDir, "not-wf/P80/ibm80n06.xml"))) {
             parser.setInput(reader);
             while (parser.nextToken() != XmlPullParser.END_DOCUMENT)
diff --git a/src/test/java/org/codehaus/plexus/util/xml/pull/MXParserTest.java b/src/test/java/org/codehaus/plexus/util/xml/pull/MXParserTest.java
index 0359b8c..7a817b9 100644
--- a/src/test/java/org/codehaus/plexus/util/xml/pull/MXParserTest.java
+++ b/src/test/java/org/codehaus/plexus/util/xml/pull/MXParserTest.java
@@ -27,12 +27,12 @@
 import java.nio.file.Files;
 import java.nio.file.Paths;
 
-import org.codehaus.plexus.util.IOUtil;
 import org.codehaus.plexus.util.xml.XmlStreamReader;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.params.ParameterizedTest;
 import org.junit.jupiter.params.provider.ValueSource;
 
+import static org.codehaus.plexus.util.xml.TestUtils.readAllFrom;
 import static org.junit.jupiter.api.Assertions.*;
 
 /**
@@ -42,14 +42,14 @@
  * @version $Id: $Id
  * @since 3.4.0
  */
-public class MXParserTest {
+class MXParserTest {
     /**
      * <p>testHexadecimalEntities.</p>
      *
      * @throws java.lang.Exception if any.
      */
     @Test
-    public void testHexadecimalEntities() throws Exception {
+    void hexadecimalEntities() throws Exception {
         MXParser parser = new MXParser();
 
         parser.defineEntityReplacementText("test", "replacement");
@@ -73,7 +73,7 @@ public void testHexadecimalEntities() throws Exception {
      * @throws java.lang.Exception if any.
      */
     @Test
-    public void testDecimalEntities() throws Exception {
+    void decimalEntities() throws Exception {
         MXParser parser = new MXParser();
 
         parser.defineEntityReplacementText("test", "replacement");
@@ -97,7 +97,7 @@ public void testDecimalEntities() throws Exception {
      * @throws java.lang.Exception if any.
      */
     @Test
-    public void testPredefinedEntities() throws Exception {
+    void predefinedEntities() throws Exception {
         MXParser parser = new MXParser();
 
         parser.defineEntityReplacementText("test", "replacement");
@@ -122,7 +122,7 @@ public void testPredefinedEntities() throws Exception {
      * @throws java.io.IOException if any.
      */
     @Test
-    public void testEntityReplacementMap() throws XmlPullParserException, IOException {
+    void entityReplacementMap() throws XmlPullParserException, IOException {
         EntityReplacementMap erm = new EntityReplacementMap(new String[][] {{"abc", "CDE"}, {"EFG", "HIJ"}});
         MXParser parser = new MXParser(erm);
 
@@ -141,7 +141,7 @@ public void testEntityReplacementMap() throws XmlPullParserException, IOExceptio
      * @throws java.lang.Exception if any.
      */
     @Test
-    public void testCustomEntities() throws Exception {
+    void customEntities() throws Exception {
         MXParser parser = new MXParser();
 
         String input = "<root>&myentity;</root>";
@@ -169,7 +169,7 @@ public void testCustomEntities() throws Exception {
      * @throws java.lang.Exception if any.
      */
     @Test
-    public void testUnicodeEntities() throws Exception {
+    void unicodeEntities() throws Exception {
         MXParser parser = new MXParser();
         String input = "<root>&#x1d7ed;</root>";
         parser.setInput(new StringReader(input));
@@ -195,7 +195,7 @@ public void testUnicodeEntities() throws Exception {
      * @throws java.lang.Exception if any.
      */
     @Test
-    public void testInvalidCharacterReferenceHexa() throws Exception {
+    void invalidCharacterReferenceHexa() throws Exception {
         MXParser parser = new MXParser();
         String input = "<root>&#x110000;</root>";
         parser.setInput(new StringReader(input));
@@ -215,42 +215,42 @@ public void testInvalidCharacterReferenceHexa() throws Exception {
      * @throws java.lang.Exception if any.
      */
     @Test
-    public void testValidCharacterReferenceHexa() throws Exception {
+    void validCharacterReferenceHexa() throws Exception {
         MXParser parser = new MXParser();
         String input =
                 "<root>&#x9;&#xA;&#xD;&#x20;&#x200;&#xD7FF;&#xE000;&#xFFA2;&#xFFFD;&#x10000;&#x10FFFD;&#x10FFFF;</root>";
         parser.setInput(new StringReader(input));
 
-        try {
-            assertEquals(XmlPullParser.START_TAG, parser.nextToken());
-            assertEquals(XmlPullParser.ENTITY_REF, parser.nextToken());
-            assertEquals(0x9, parser.getText().codePointAt(0));
-            assertEquals(XmlPullParser.ENTITY_REF, parser.nextToken());
-            assertEquals(0xA, parser.getText().codePointAt(0));
-            assertEquals(XmlPullParser.ENTITY_REF, parser.nextToken());
-            assertEquals(0xD, parser.getText().codePointAt(0));
-            assertEquals(XmlPullParser.ENTITY_REF, parser.nextToken());
-            assertEquals(0x20, parser.getText().codePointAt(0));
-            assertEquals(XmlPullParser.ENTITY_REF, parser.nextToken());
-            assertEquals(0x200, parser.getText().codePointAt(0));
-            assertEquals(XmlPullParser.ENTITY_REF, parser.nextToken());
-            assertEquals(0xD7FF, parser.getText().codePointAt(0));
-            assertEquals(XmlPullParser.ENTITY_REF, parser.nextToken());
-            assertEquals(0xE000, parser.getText().codePointAt(0));
-            assertEquals(XmlPullParser.ENTITY_REF, parser.nextToken());
-            assertEquals(0xFFA2, parser.getText().codePointAt(0));
-            assertEquals(XmlPullParser.ENTITY_REF, parser.nextToken());
-            assertEquals(0xFFFD, parser.getText().codePointAt(0));
-            assertEquals(XmlPullParser.ENTITY_REF, parser.nextToken());
-            assertEquals(0x10000, parser.getText().codePointAt(0));
-            assertEquals(XmlPullParser.ENTITY_REF, parser.nextToken());
-            assertEquals(0x10FFFD, parser.getText().codePointAt(0));
-            assertEquals(XmlPullParser.ENTITY_REF, parser.nextToken());
-            assertEquals(0x10FFFF, parser.getText().codePointAt(0));
-            assertEquals(XmlPullParser.END_TAG, parser.nextToken());
-        } catch (XmlPullParserException e) {
-            fail("Should success since the input represents all legal character references");
-        }
+        assertDoesNotThrow(
+                () -> {
+                    assertEquals(XmlPullParser.START_TAG, parser.nextToken());
+                    assertEquals(XmlPullParser.ENTITY_REF, parser.nextToken());
+                    assertEquals(0x9, parser.getText().codePointAt(0));
+                    assertEquals(XmlPullParser.ENTITY_REF, parser.nextToken());
+                    assertEquals(0xA, parser.getText().codePointAt(0));
+                    assertEquals(XmlPullParser.ENTITY_REF, parser.nextToken());
+                    assertEquals(0xD, parser.getText().codePointAt(0));
+                    assertEquals(XmlPullParser.ENTITY_REF, parser.nextToken());
+                    assertEquals(0x20, parser.getText().codePointAt(0));
+                    assertEquals(XmlPullParser.ENTITY_REF, parser.nextToken());
+                    assertEquals(0x200, parser.getText().codePointAt(0));
+                    assertEquals(XmlPullParser.ENTITY_REF, parser.nextToken());
+                    assertEquals(0xD7FF, parser.getText().codePointAt(0));
+                    assertEquals(XmlPullParser.ENTITY_REF, parser.nextToken());
+                    assertEquals(0xE000, parser.getText().codePointAt(0));
+                    assertEquals(XmlPullParser.ENTITY_REF, parser.nextToken());
+                    assertEquals(0xFFA2, parser.getText().codePointAt(0));
+                    assertEquals(XmlPullParser.ENTITY_REF, parser.nextToken());
+                    assertEquals(0xFFFD, parser.getText().codePointAt(0));
+                    assertEquals(XmlPullParser.ENTITY_REF, parser.nextToken());
+                    assertEquals(0x10000, parser.getText().codePointAt(0));
+                    assertEquals(XmlPullParser.ENTITY_REF, parser.nextToken());
+                    assertEquals(0x10FFFD, parser.getText().codePointAt(0));
+                    assertEquals(XmlPullParser.ENTITY_REF, parser.nextToken());
+                    assertEquals(0x10FFFF, parser.getText().codePointAt(0));
+                    assertEquals(XmlPullParser.END_TAG, parser.nextToken());
+                },
+                "Should success since the input represents all legal character references");
     }
 
     /**
@@ -259,7 +259,7 @@ public void testValidCharacterReferenceHexa() throws Exception {
      * @throws java.lang.Exception if any.
      */
     @Test
-    public void testInvalidCharacterReferenceDecimal() throws Exception {
+    void invalidCharacterReferenceDecimal() throws Exception {
         MXParser parser = new MXParser();
         String input = "<root>&#1114112;</root>";
         parser.setInput(new StringReader(input));
@@ -279,42 +279,42 @@ public void testInvalidCharacterReferenceDecimal() throws Exception {
      * @throws java.lang.Exception if any.
      */
     @Test
-    public void testValidCharacterReferenceDecimal() throws Exception {
+    void validCharacterReferenceDecimal() throws Exception {
         MXParser parser = new MXParser();
         String input =
                 "<root>&#9;&#10;&#13;&#32;&#512;&#55295;&#57344;&#65442;&#65533;&#65536;&#1114109;&#1114111;</root>";
         parser.setInput(new StringReader(input));
 
-        try {
-            assertEquals(XmlPullParser.START_TAG, parser.nextToken());
-            assertEquals(XmlPullParser.ENTITY_REF, parser.nextToken());
-            assertEquals(9, parser.getText().codePointAt(0));
-            assertEquals(XmlPullParser.ENTITY_REF, parser.nextToken());
-            assertEquals(10, parser.getText().codePointAt(0));
-            assertEquals(XmlPullParser.ENTITY_REF, parser.nextToken());
-            assertEquals(13, parser.getText().codePointAt(0));
-            assertEquals(XmlPullParser.ENTITY_REF, parser.nextToken());
-            assertEquals(32, parser.getText().codePointAt(0));
-            assertEquals(XmlPullParser.ENTITY_REF, parser.nextToken());
-            assertEquals(512, parser.getText().codePointAt(0));
-            assertEquals(XmlPullParser.ENTITY_REF, parser.nextToken());
-            assertEquals(55295, parser.getText().codePointAt(0));
-            assertEquals(XmlPullParser.ENTITY_REF, parser.nextToken());
-            assertEquals(57344, parser.getText().codePointAt(0));
-            assertEquals(XmlPullParser.ENTITY_REF, parser.nextToken());
-            assertEquals(65442, parser.getText().codePointAt(0));
-            assertEquals(XmlPullParser.ENTITY_REF, parser.nextToken());
-            assertEquals(65533, parser.getText().codePointAt(0));
-            assertEquals(XmlPullParser.ENTITY_REF, parser.nextToken());
-            assertEquals(65536, parser.getText().codePointAt(0));
-            assertEquals(XmlPullParser.ENTITY_REF, parser.nextToken());
-            assertEquals(1114109, parser.getText().codePointAt(0));
-            assertEquals(XmlPullParser.ENTITY_REF, parser.nextToken());
-            assertEquals(1114111, parser.getText().codePointAt(0));
-            assertEquals(XmlPullParser.END_TAG, parser.nextToken());
-        } catch (XmlPullParserException e) {
-            fail("Should success since the input represents all legal character references");
-        }
+        assertDoesNotThrow(
+                () -> {
+                    assertEquals(XmlPullParser.START_TAG, parser.nextToken());
+                    assertEquals(XmlPullParser.ENTITY_REF, parser.nextToken());
+                    assertEquals(9, parser.getText().codePointAt(0));
+                    assertEquals(XmlPullParser.ENTITY_REF, parser.nextToken());
+                    assertEquals(10, parser.getText().codePointAt(0));
+                    assertEquals(XmlPullParser.ENTITY_REF, parser.nextToken());
+                    assertEquals(13, parser.getText().codePointAt(0));
+                    assertEquals(XmlPullParser.ENTITY_REF, parser.nextToken());
+                    assertEquals(32, parser.getText().codePointAt(0));
+                    assertEquals(XmlPullParser.ENTITY_REF, parser.nextToken());
+                    assertEquals(512, parser.getText().codePointAt(0));
+                    assertEquals(XmlPullParser.ENTITY_REF, parser.nextToken());
+                    assertEquals(55295, parser.getText().codePointAt(0));
+                    assertEquals(XmlPullParser.ENTITY_REF, parser.nextToken());
+                    assertEquals(57344, parser.getText().codePointAt(0));
+                    assertEquals(XmlPullParser.ENTITY_REF, parser.nextToken());
+                    assertEquals(65442, parser.getText().codePointAt(0));
+                    assertEquals(XmlPullParser.ENTITY_REF, parser.nextToken());
+                    assertEquals(65533, parser.getText().codePointAt(0));
+                    assertEquals(XmlPullParser.ENTITY_REF, parser.nextToken());
+                    assertEquals(65536, parser.getText().codePointAt(0));
+                    assertEquals(XmlPullParser.ENTITY_REF, parser.nextToken());
+                    assertEquals(1114109, parser.getText().codePointAt(0));
+                    assertEquals(XmlPullParser.ENTITY_REF, parser.nextToken());
+                    assertEquals(1114111, parser.getText().codePointAt(0));
+                    assertEquals(XmlPullParser.END_TAG, parser.nextToken());
+                },
+                "Should success since the input represents all legal character references");
     }
 
     /**
@@ -323,7 +323,7 @@ public void testValidCharacterReferenceDecimal() throws Exception {
      * @throws java.lang.Exception if any.
      */
     @Test
-    public void testParserPosition() throws Exception {
+    void parserPosition() throws Exception {
         String input =
                 "<?xml version=\"1.0\" encoding=\"UTF-8\"?><!-- A --> \n <!-- B --><test>\tnnn</test>\n<!-- C\nC -->";
 
@@ -351,7 +351,7 @@ public void testParserPosition() throws Exception {
     }
 
     @Test
-    public void testProcessingInstruction() throws Exception {
+    void processingInstruction() throws Exception {
         String input = "<?xml version=\"1.0\" encoding=\"UTF-8\"?><test>nnn</test>";
 
         MXParser parser = new MXParser();
@@ -369,7 +369,7 @@ public void testProcessingInstruction() throws Exception {
      * @throws java.lang.Exception if any.
      */
     @Test
-    public void testProcessingInstructionsContainingXml() throws Exception {
+    void processingInstructionsContainingXml() throws Exception {
         StringBuffer sb = new StringBuffer();
 
         sb.append("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
@@ -397,7 +397,7 @@ public void testProcessingInstructionsContainingXml() throws Exception {
      * @throws java.lang.Exception if any.
      */
     @Test
-    public void testMalformedProcessingInstructionsContainingXmlNoClosingQuestionMark() throws Exception {
+    void malformedProcessingInstructionsContainingXmlNoClosingQuestionMark() throws Exception {
         StringBuffer sb = new StringBuffer();
         sb.append("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");
         sb.append("<project />\n");
@@ -424,7 +424,7 @@ public void testMalformedProcessingInstructionsContainingXmlNoClosingQuestionMar
     }
 
     @Test
-    public void testSubsequentProcessingInstructionShort() throws Exception {
+    void subsequentProcessingInstructionShort() throws Exception {
         StringBuffer sb = new StringBuffer();
 
         sb.append("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
@@ -449,7 +449,7 @@ public void testSubsequentProcessingInstructionShort() throws Exception {
      * @throws java.lang.Exception if any.
      */
     @Test
-    public void testSubsequentProcessingInstructionMoreThan8k() throws Exception {
+    void subsequentProcessingInstructionMoreThan8k() throws Exception {
         StringBuffer sb = new StringBuffer();
 
         sb.append("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
@@ -493,7 +493,7 @@ public void testSubsequentProcessingInstructionMoreThan8k() throws Exception {
      * @throws java.lang.Exception if any.
      */
     @Test
-    public void testLargeText_NoOverflow() throws Exception {
+    void largeTextNoOverflow() throws Exception {
         StringBuffer sb = new StringBuffer();
         sb.append("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
         sb.append("<largetextblock>");
@@ -518,7 +518,7 @@ public void testLargeText_NoOverflow() throws Exception {
      * @throws java.lang.Exception if any.
      */
     @Test
-    public void testMalformedProcessingInstructionAfterTag() throws Exception {
+    void malformedProcessingInstructionAfterTag() throws Exception {
         MXParser parser = new MXParser();
 
         String input = "<project /><?>";
@@ -544,7 +544,7 @@ public void testMalformedProcessingInstructionAfterTag() throws Exception {
      * @throws java.lang.Exception if any.
      */
     @Test
-    public void testMalformedProcessingInstructionBeforeTag() throws Exception {
+    void malformedProcessingInstructionBeforeTag() throws Exception {
         MXParser parser = new MXParser();
 
         String input = "<?><project />";
@@ -570,7 +570,7 @@ public void testMalformedProcessingInstructionBeforeTag() throws Exception {
      * @throws java.lang.Exception if any.
      */
     @Test
-    public void testMalformedProcessingInstructionSpaceBeforeName() throws Exception {
+    void malformedProcessingInstructionSpaceBeforeName() throws Exception {
         MXParser parser = new MXParser();
 
         StringBuilder sb = new StringBuilder();
@@ -600,7 +600,7 @@ public void testMalformedProcessingInstructionSpaceBeforeName() throws Exception
      * @throws java.lang.Exception if any.
      */
     @Test
-    public void testMalformedProcessingInstructionNoClosingQuestionMark() throws Exception {
+    void malformedProcessingInstructionNoClosingQuestionMark() throws Exception {
         MXParser parser = new MXParser();
 
         StringBuilder sb = new StringBuilder();
@@ -629,7 +629,7 @@ public void testMalformedProcessingInstructionNoClosingQuestionMark() throws Exc
      * @throws java.lang.Exception if any.
      */
     @Test
-    public void testSubsequentMalformedProcessingInstructionNoClosingQuestionMark() throws Exception {
+    void subsequentMalformedProcessingInstructionNoClosingQuestionMark() throws Exception {
         MXParser parser = new MXParser();
 
         StringBuilder sb = new StringBuilder();
@@ -658,7 +658,7 @@ public void testSubsequentMalformedProcessingInstructionNoClosingQuestionMark()
      * @throws java.lang.Exception if any.
      */
     @Test
-    public void testSubsequentAbortedProcessingInstruction() throws Exception {
+    void subsequentAbortedProcessingInstruction() throws Exception {
         MXParser parser = new MXParser();
         StringBuilder sb = new StringBuilder();
         sb.append("<project />");
@@ -680,7 +680,7 @@ public void testSubsequentAbortedProcessingInstruction() throws Exception {
     }
 
     @Test
-    public void testSubsequentAbortedComment() throws Exception {
+    void subsequentAbortedComment() throws Exception {
         MXParser parser = new MXParser();
         StringBuilder sb = new StringBuilder();
         sb.append("<project />");
@@ -701,7 +701,7 @@ public void testSubsequentAbortedComment() throws Exception {
     }
 
     @Test
-    public void testMalformedXMLRootElement() throws Exception {
+    void malformedXMLRootElement() throws Exception {
         String input = "<Y";
 
         MXParser parser = new MXParser();
@@ -722,7 +722,7 @@ public void testMalformedXMLRootElement() throws Exception {
      * @throws java.lang.Exception if any.
      */
     @Test
-    public void testMalformedXMLRootElement2() throws Exception {
+    void malformedXMLRootElement2() throws Exception {
         String input = "<hello";
 
         MXParser parser = new MXParser();
@@ -743,7 +743,7 @@ public void testMalformedXMLRootElement2() throws Exception {
      * @throws java.lang.Exception if any.
      */
     @Test
-    public void testMalformedXMLRootElement3() throws Exception {
+    void malformedXMLRootElement3() throws Exception {
         String input = "<hello><how";
 
         MXParser parser = new MXParser();
@@ -765,7 +765,7 @@ public void testMalformedXMLRootElement3() throws Exception {
      * @throws java.lang.Exception if any.
      */
     @Test
-    public void testMalformedXMLRootElement4() throws Exception {
+    void malformedXMLRootElement4() throws Exception {
         String input = "<hello>some text<how";
 
         MXParser parser = new MXParser();
@@ -789,7 +789,7 @@ public void testMalformedXMLRootElement4() throws Exception {
      * @throws java.lang.Exception if any.
      */
     @Test
-    public void testMalformedXMLRootElement5() throws Exception {
+    void malformedXMLRootElement5() throws Exception {
         String input = "<hello>some text</hello";
 
         MXParser parser = new MXParser();
@@ -814,19 +814,19 @@ public void testMalformedXMLRootElement5() throws Exception {
      * @throws java.lang.Exception if any.
      */
     @Test
-    public void testXMLDeclVersionOnly() throws Exception {
+    void xmlDeclVersionOnly() throws Exception {
         String input = "<?xml version='1.0'?><hello/>";
 
         MXParser parser = new MXParser();
         parser.setInput(new StringReader(input));
 
-        try {
-            assertEquals(XmlPullParser.PROCESSING_INSTRUCTION, parser.nextToken());
-            assertEquals(XmlPullParser.START_TAG, parser.nextToken());
-            assertEquals(XmlPullParser.END_TAG, parser.nextToken());
-        } catch (Exception e) {
-            fail("Should not throw Exception");
-        }
+        assertDoesNotThrow(
+                () -> {
+                    assertEquals(XmlPullParser.PROCESSING_INSTRUCTION, parser.nextToken());
+                    assertEquals(XmlPullParser.START_TAG, parser.nextToken());
+                    assertEquals(XmlPullParser.END_TAG, parser.nextToken());
+                },
+                "Should not throw Exception");
     }
 
     /**
@@ -835,7 +835,7 @@ public void testXMLDeclVersionOnly() throws Exception {
      * @throws java.lang.Exception if any.
      */
     @Test
-    public void testXMLDeclVersionEncodingStandaloneNoSpace() throws Exception {
+    void xmlDeclVersionEncodingStandaloneNoSpace() throws Exception {
         String input = "<?xml version='1.0' encoding='ASCII'standalone='yes'?><hello/>";
 
         MXParser parser = new MXParser();
@@ -849,14 +849,14 @@ public void testXMLDeclVersionEncodingStandaloneNoSpace() throws Exception {
     }
 
     /**
-     * Issue 163: https://github.com/codehaus-plexus/plexus-utils/issues/163
+     * Issue 163: <a href="https://github.com/codehaus-plexus/plexus-utils/issues/163">Issue 163</a>
      *
      * @throws IOException if IO error.
      *
      * @since 3.4.1
      */
     @Test
-    public void testEncodingISO_8859_1_newXmlReader() throws IOException {
+    void encodingISO88591NewXmlReader() throws IOException {
         try (Reader reader = new XmlStreamReader(Paths.get("src/test/resources/xml", "test-encoding-ISO-8859-1.xml"))) {
             MXParser parser = new MXParser();
             parser.setInput(reader);
@@ -869,14 +869,14 @@ public void testEncodingISO_8859_1_newXmlReader() throws IOException {
     }
 
     /**
-     * Issue 163: https://github.com/codehaus-plexus/plexus-utils/issues/163
+     * Issue 163: <a href="https://github.com/codehaus-plexus/plexus-utils/issues/163">Issue 163</a>
      *
      * @throws IOException if IO error.
      *
      * @since 3.4.1
      */
     @Test
-    public void testEncodingISO_8859_1_InputStream() throws IOException {
+    void encodingISO88591InputStream() throws IOException {
         try (InputStream input =
                 Files.newInputStream(Paths.get("src/test/resources/xml", "test-encoding-ISO-8859-1.xml"))) {
             MXParser parser = new MXParser();
@@ -890,8 +890,8 @@ public void testEncodingISO_8859_1_InputStream() throws IOException {
     }
 
     /**
-     * Issue 163: https://github.com/codehaus-plexus/plexus-utils/issues/163
-     *
+     * Issue 163: <a href="https://github.com/codehaus-plexus/plexus-utils/issues/163">Issue 163</a>
+     * <p>
      * Another case of bug #163: File encoding information is lost after the input file is copied to a String.
      *
      * @throws IOException if IO error.
@@ -899,25 +899,25 @@ public void testEncodingISO_8859_1_InputStream() throws IOException {
      * @since 3.4.2
      */
     @Test
-    public void testEncodingISO_8859_1_StringReader() throws IOException {
+    void encodingISO88591StringReader() throws IOException {
         String xmlFileContents;
         try (Reader reader = new XmlStreamReader(Paths.get("src/test/resources/xml", "test-encoding-ISO-8859-1.xml"))) {
-            xmlFileContents = IOUtil.toString(reader);
+            xmlFileContents = readAllFrom(reader);
         }
 
-        try {
-            MXParser parser = new MXParser();
-            parser.setInput(new StringReader(xmlFileContents));
-            while (parser.nextToken() != XmlPullParser.END_DOCUMENT)
-                ;
-            assertTrue(true);
-        } catch (XmlPullParserException e) {
-            fail("should not raise exception: " + e);
-        }
+        assertDoesNotThrow(
+                () -> {
+                    MXParser parser = new MXParser();
+                    parser.setInput(new StringReader(xmlFileContents));
+                    while (parser.nextToken() != XmlPullParser.END_DOCUMENT)
+                        ;
+                    assertTrue(true);
+                },
+                "should not raise exception: ");
     }
 
     /**
-     * Issue 163: https://github.com/codehaus-plexus/plexus-utils/issues/163
+     * Issue 163: <a href="https://github.com/codehaus-plexus/plexus-utils/issues/163">Issue 163</a>
      *
      * Another case of bug #163: Reader generated with ReaderFactory.newReader and the right file encoding.
      *
@@ -926,7 +926,7 @@ public void testEncodingISO_8859_1_StringReader() throws IOException {
      * @since 3.5.2
      */
     @Test
-    public void testEncodingISO_8859_1_newReader() throws IOException {
+    void encodingISO88591NewReader() throws IOException {
         // NOTE: if using Files.newBufferedReader(path, StandardCharsets.UTF-8), the reader will throw an exception
         // because the decoder created by new InputStreamReader() is lenient while the one created by
         // Files.newBufferedReader() is not.
@@ -944,7 +944,7 @@ public void testEncodingISO_8859_1_newReader() throws IOException {
     }
 
     /**
-     * Issue 163: https://github.com/codehaus-plexus/plexus-utils/issues/163
+     * Issue 163: <a href="https://github.com/codehaus-plexus/plexus-utils/issues/163">Issue 163</a>
      *
      * Another case of bug #163: InputStream supplied with the right file encoding.
      *
@@ -953,7 +953,7 @@ public void testEncodingISO_8859_1_newReader() throws IOException {
      * @since 3.5.2
      */
     @Test
-    public void testEncodingISO_8859_1_InputStream_encoded() throws IOException {
+    void encodingISO88591InputStreamEncoded() throws IOException {
         try (InputStream input =
                 Files.newInputStream(Paths.get("src/test/resources/xml", "test-encoding-ISO-8859-1.xml"))) {
             MXParser parser = new MXParser();
@@ -967,14 +967,14 @@ public void testEncodingISO_8859_1_InputStream_encoded() throws IOException {
     }
 
     /**
-     * Issue 163: https://github.com/codehaus-plexus/plexus-utils/issues/163
+     * Issue 163: <a href="https://github.com/codehaus-plexus/plexus-utils/issues/163">Issue 163</a>
      *
      * @throws IOException if IO error.
      *
      * @since 3.4.1
      */
     @Test
-    public void testEncodingUTF8_newXmlReader() throws IOException {
+    void encodingUTF8NewXmlReader() throws IOException {
         try (Reader reader = new XmlStreamReader(Paths.get("src/test/resources/xml", "test-encoding-ISO-8859-1.xml"))) {
             MXParser parser = new MXParser();
             parser.setInput(reader);
@@ -1003,7 +1003,7 @@ private static void assertPosition(int row, int col, MXParser parser) {
      * @since 3.4.2
      */
     @Test
-    public void testCustomEntityNotFoundInText() throws Exception {
+    void customEntityNotFoundInText() throws Exception {
         MXParser parser = new MXParser();
 
         String input = "<root>&otherentity;</root>";
@@ -1036,20 +1036,20 @@ public void testCustomEntityNotFoundInText() throws Exception {
      * @since 3.4.2
      */
     @Test
-    public void testCustomEntityNotFoundInTextTokenize() throws Exception {
+    void customEntityNotFoundInTextTokenize() throws Exception {
         MXParser parser = new MXParser();
 
         String input = "<root>&otherentity;</root>";
         parser.setInput(new StringReader(input));
         parser.defineEntityReplacementText("myentity", "replacement");
 
-        try {
-            assertEquals(XmlPullParser.START_TAG, parser.nextToken());
-            assertEquals(XmlPullParser.ENTITY_REF, parser.nextToken());
-            assertNull(parser.getText());
-        } catch (XmlPullParserException e) {
-            fail("should not throw exception if tokenize");
-        }
+        assertDoesNotThrow(
+                () -> {
+                    assertEquals(XmlPullParser.START_TAG, parser.nextToken());
+                    assertEquals(XmlPullParser.ENTITY_REF, parser.nextToken());
+                    assertNull(parser.getText());
+                },
+                "should not throw exception if tokenize");
     }
 
     /**
@@ -1064,7 +1064,7 @@ public void testCustomEntityNotFoundInTextTokenize() throws Exception {
      * @since 3.4.2
      */
     @Test
-    public void testCustomEntityNotFoundInAttr() throws Exception {
+    void customEntityNotFoundInAttr() throws Exception {
         MXParser parser = new MXParser();
 
         String input = "<root name=\"&otherentity;\">sometext</root>";
@@ -1097,7 +1097,7 @@ public void testCustomEntityNotFoundInAttr() throws Exception {
      * @since 3.4.2
      */
     @Test
-    public void testCustomEntityNotFoundInAttrTokenize() throws Exception {
+    void customEntityNotFoundInAttrTokenize() throws Exception {
         MXParser parser = new MXParser();
 
         String input = "<root name=\"&otherentity;\">sometext</root>";
@@ -1130,7 +1130,7 @@ public void testCustomEntityNotFoundInAttrTokenize() throws Exception {
      * @since 3.4.2
      */
     @Test
-    public void testDocdeclTextWithEntitiesUnix() throws IOException {
+    void docdeclTextWithEntitiesUnix() throws IOException {
         testDocdeclTextWithEntities("test-entities-UNIX.xml");
     }
 
@@ -1146,7 +1146,7 @@ public void testDocdeclTextWithEntitiesUnix() throws IOException {
      * @since 3.4.2
      */
     @Test
-    public void testDocdeclTextWithEntitiesDOS() throws IOException {
+    void docdeclTextWithEntitiesDOS() throws IOException {
         testDocdeclTextWithEntities("test-entities-DOS.xml");
     }
 
@@ -1183,7 +1183,7 @@ private void testDocdeclTextWithEntities(String filename) throws IOException {
      * @since 3.4.2
      */
     @Test
-    public void testDocdeclTextWithEntitiesInAttributesUnix() throws IOException {
+    void docdeclTextWithEntitiesInAttributesUnix() throws IOException {
         testDocdeclTextWithEntitiesInAttributes("test-entities-in-attr-UNIX.xml");
     }
 
@@ -1199,7 +1199,7 @@ public void testDocdeclTextWithEntitiesInAttributesUnix() throws IOException {
      * @since 3.4.2
      */
     @Test
-    public void testDocdeclTextWithEntitiesInAttributesDOS() throws IOException {
+    void docdeclTextWithEntitiesInAttributesDOS() throws IOException {
         testDocdeclTextWithEntitiesInAttributes("test-entities-in-attr-DOS.xml");
     }
 
@@ -1254,7 +1254,7 @@ private void testDocdeclTextWithEntitiesInAttributes(String filename) throws IOE
      * @since 3.4.2
      */
     @Test
-    public void testEntityRefTextUnix() throws IOException {
+    void entityRefTextUnix() throws IOException {
         testEntityRefText("\n");
     }
 
@@ -1268,7 +1268,7 @@ public void testEntityRefTextUnix() throws IOException {
      * @since 3.4.2
      */
     @Test
-    public void testEntityRefTextDOS() throws IOException {
+    void entityRefTextDOS() throws IOException {
         testEntityRefText("\r\n");
     }
 
@@ -1282,45 +1282,45 @@ private void testEntityRefText(String newLine) throws IOException {
         sb.append("]>").append(newLine);
         sb.append("<b>&foo;&foo1;&foo2;&tritPos;</b>");
 
-        try {
-            MXParser parser = new MXParser();
-            parser.setInput(new StringReader(sb.toString()));
-            parser.defineEntityReplacementText("foo", "&#x159;");
-            parser.defineEntityReplacementText("nbsp", "&#160;");
-            parser.defineEntityReplacementText("foo1", "&nbsp;");
-            parser.defineEntityReplacementText("foo2", "&#x161;");
-            parser.defineEntityReplacementText("tritPos", "&#x1d7ed;");
-
-            assertEquals(XmlPullParser.DOCDECL, parser.nextToken());
-            assertEquals(
-                    " test [\n"
-                            + "<!ENTITY foo \"&#x159;\">\n"
-                            + "<!ENTITY foo1 \"&nbsp;\">\n"
-                            + "<!ENTITY foo2 \"&#x161;\">\n"
-                            + "<!ENTITY tritPos \"&#x1d7ed;\">\n"
-                            + "]",
-                    parser.getText());
-            assertEquals(XmlPullParser.IGNORABLE_WHITESPACE, parser.nextToken());
-            assertEquals(XmlPullParser.START_TAG, parser.nextToken());
-            assertEquals("b", parser.getName());
-            assertEquals(XmlPullParser.ENTITY_REF, parser.nextToken());
-            assertEquals("&#x159;", parser.getText());
-            assertEquals("foo", parser.getName());
-            assertEquals(XmlPullParser.ENTITY_REF, parser.nextToken());
-            assertEquals("&#160;", parser.getText());
-            assertEquals("foo1", parser.getName());
-            assertEquals(XmlPullParser.ENTITY_REF, parser.nextToken());
-            assertEquals("&#x161;", parser.getText());
-            assertEquals("foo2", parser.getName());
-            assertEquals(XmlPullParser.ENTITY_REF, parser.nextToken());
-            assertEquals("&#x1d7ed;", parser.getText());
-            assertEquals("tritPos", parser.getName());
-            assertEquals(XmlPullParser.END_TAG, parser.nextToken());
-            assertEquals("b", parser.getName());
-            assertEquals(XmlPullParser.END_DOCUMENT, parser.nextToken());
-        } catch (XmlPullParserException e) {
-            fail("should not raise exception: " + e);
-        }
+        assertDoesNotThrow(
+                () -> {
+                    MXParser parser = new MXParser();
+                    parser.setInput(new StringReader(sb.toString()));
+                    parser.defineEntityReplacementText("foo", "&#x159;");
+                    parser.defineEntityReplacementText("nbsp", "&#160;");
+                    parser.defineEntityReplacementText("foo1", "&nbsp;");
+                    parser.defineEntityReplacementText("foo2", "&#x161;");
+                    parser.defineEntityReplacementText("tritPos", "&#x1d7ed;");
+
+                    assertEquals(XmlPullParser.DOCDECL, parser.nextToken());
+                    assertEquals(
+                            " test [\n"
+                                    + "<!ENTITY foo \"&#x159;\">\n"
+                                    + "<!ENTITY foo1 \"&nbsp;\">\n"
+                                    + "<!ENTITY foo2 \"&#x161;\">\n"
+                                    + "<!ENTITY tritPos \"&#x1d7ed;\">\n"
+                                    + "]",
+                            parser.getText());
+                    assertEquals(XmlPullParser.IGNORABLE_WHITESPACE, parser.nextToken());
+                    assertEquals(XmlPullParser.START_TAG, parser.nextToken());
+                    assertEquals("b", parser.getName());
+                    assertEquals(XmlPullParser.ENTITY_REF, parser.nextToken());
+                    assertEquals("&#x159;", parser.getText());
+                    assertEquals("foo", parser.getName());
+                    assertEquals(XmlPullParser.ENTITY_REF, parser.nextToken());
+                    assertEquals("&#160;", parser.getText());
+                    assertEquals("foo1", parser.getName());
+                    assertEquals(XmlPullParser.ENTITY_REF, parser.nextToken());
+                    assertEquals("&#x161;", parser.getText());
+                    assertEquals("foo2", parser.getName());
+                    assertEquals(XmlPullParser.ENTITY_REF, parser.nextToken());
+                    assertEquals("&#x1d7ed;", parser.getText());
+                    assertEquals("tritPos", parser.getName());
+                    assertEquals(XmlPullParser.END_TAG, parser.nextToken());
+                    assertEquals("b", parser.getName());
+                    assertEquals(XmlPullParser.END_DOCUMENT, parser.nextToken());
+                },
+                "should not raise exception: ");
     }
 
     /**
@@ -1333,36 +1333,36 @@ private void testEntityRefText(String newLine) throws IOException {
      * @since 3.4.2
      */
     @Test
-    public void testEntityReplacement() throws IOException {
+    void entityReplacement() throws IOException {
         String input = "<p><!-- a pagebreak: --><!-- PB -->&#160;&nbsp;<unknown /></p>";
 
-        try {
-            MXParser parser = new MXParser();
-            parser.setInput(new StringReader(input));
-            parser.defineEntityReplacementText("nbsp", "&#160;");
-
-            assertEquals(XmlPullParser.START_TAG, parser.nextToken());
-            assertEquals("p", parser.getName());
-            assertEquals(XmlPullParser.COMMENT, parser.nextToken());
-            assertEquals(" a pagebreak: ", parser.getText());
-            assertEquals(XmlPullParser.COMMENT, parser.nextToken());
-            assertEquals(" PB ", parser.getText());
-            assertEquals(XmlPullParser.ENTITY_REF, parser.nextToken());
-            assertEquals("\u00A0", parser.getText());
-            assertEquals("#160", parser.getName());
-            assertEquals(XmlPullParser.ENTITY_REF, parser.nextToken());
-            assertEquals("&#160;", parser.getText());
-            assertEquals("nbsp", parser.getName());
-            assertEquals(XmlPullParser.START_TAG, parser.nextToken());
-            assertEquals("unknown", parser.getName());
-            assertEquals(XmlPullParser.END_TAG, parser.nextToken());
-            assertEquals("unknown", parser.getName());
-            assertEquals(XmlPullParser.END_TAG, parser.nextToken());
-            assertEquals("p", parser.getName());
-            assertEquals(XmlPullParser.END_DOCUMENT, parser.nextToken());
-        } catch (XmlPullParserException e) {
-            fail("should not raise exception: " + e);
-        }
+        assertDoesNotThrow(
+                () -> {
+                    MXParser parser = new MXParser();
+                    parser.setInput(new StringReader(input));
+                    parser.defineEntityReplacementText("nbsp", "&#160;");
+
+                    assertEquals(XmlPullParser.START_TAG, parser.nextToken());
+                    assertEquals("p", parser.getName());
+                    assertEquals(XmlPullParser.COMMENT, parser.nextToken());
+                    assertEquals(" a pagebreak: ", parser.getText());
+                    assertEquals(XmlPullParser.COMMENT, parser.nextToken());
+                    assertEquals(" PB ", parser.getText());
+                    assertEquals(XmlPullParser.ENTITY_REF, parser.nextToken());
+                    assertEquals("\u00A0", parser.getText());
+                    assertEquals("#160", parser.getName());
+                    assertEquals(XmlPullParser.ENTITY_REF, parser.nextToken());
+                    assertEquals("&#160;", parser.getText());
+                    assertEquals("nbsp", parser.getName());
+                    assertEquals(XmlPullParser.START_TAG, parser.nextToken());
+                    assertEquals("unknown", parser.getName());
+                    assertEquals(XmlPullParser.END_TAG, parser.nextToken());
+                    assertEquals("unknown", parser.getName());
+                    assertEquals(XmlPullParser.END_TAG, parser.nextToken());
+                    assertEquals("p", parser.getName());
+                    assertEquals(XmlPullParser.END_DOCUMENT, parser.nextToken());
+                },
+                "should not raise exception: ");
     }
 
     /**
@@ -1376,50 +1376,50 @@ public void testEntityReplacement() throws IOException {
      * @since 3.4.2
      */
     @Test
-    public void testReplacementInPCArrayWithShorterCharArray() throws IOException {
+    void replacementInPCArrayWithShorterCharArray() throws IOException {
         String input = "<!DOCTYPE test [<!ENTITY foo \"&#x159;\"><!ENTITY tritPos  \"&#x1d7ed;\">]>"
                 + "<section name=\"&amp;&foo;&tritPos;\"><p>&amp;&foo;&tritPos;</p></section>";
 
-        try {
-            MXParser parser = new MXParser();
-            parser.setInput(new StringReader(new String(input.getBytes(), "ISO-8859-1")));
-            parser.defineEntityReplacementText("foo", "&#x159;");
-            parser.defineEntityReplacementText("tritPos", "&#x1d7ed;");
-
-            assertEquals(XmlPullParser.DOCDECL, parser.nextToken());
-            assertEquals(" test [<!ENTITY foo \"&#x159;\"><!ENTITY tritPos  \"&#x1d7ed;\">]", parser.getText());
-            assertEquals(XmlPullParser.START_TAG, parser.nextToken());
-            assertEquals("section", parser.getName());
-            assertEquals(1, parser.getAttributeCount());
-            assertEquals("name", parser.getAttributeName(0));
-            assertEquals("&&#x159;&#x1d7ed;", parser.getAttributeValue(0));
-            assertEquals(XmlPullParser.START_TAG, parser.nextToken());
-            assertEquals("<p>", parser.getText());
-            assertEquals("p", parser.getName());
-            assertEquals(XmlPullParser.ENTITY_REF, parser.nextToken());
-            assertEquals("&", parser.getText());
-            assertEquals("amp", parser.getName());
-            assertEquals(XmlPullParser.ENTITY_REF, parser.nextToken());
-            assertEquals("&#x159;", parser.getText());
-            assertEquals("foo", parser.getName());
-            assertEquals(XmlPullParser.ENTITY_REF, parser.nextToken());
-            assertEquals("&#x1d7ed;", parser.getText());
-            assertEquals("tritPos", parser.getName());
-            assertEquals(XmlPullParser.END_TAG, parser.nextToken());
-            assertEquals("p", parser.getName());
-            assertEquals(XmlPullParser.END_TAG, parser.nextToken());
-            assertEquals("section", parser.getName());
-            assertEquals(XmlPullParser.END_DOCUMENT, parser.nextToken());
-        } catch (XmlPullParserException e) {
-            fail("should not raise exception: " + e);
-        }
+        assertDoesNotThrow(
+                () -> {
+                    MXParser parser = new MXParser();
+                    parser.setInput(new StringReader(new String(input.getBytes(), "ISO-8859-1")));
+                    parser.defineEntityReplacementText("foo", "&#x159;");
+                    parser.defineEntityReplacementText("tritPos", "&#x1d7ed;");
+
+                    assertEquals(XmlPullParser.DOCDECL, parser.nextToken());
+                    assertEquals(" test [<!ENTITY foo \"&#x159;\"><!ENTITY tritPos  \"&#x1d7ed;\">]", parser.getText());
+                    assertEquals(XmlPullParser.START_TAG, parser.nextToken());
+                    assertEquals("section", parser.getName());
+                    assertEquals(1, parser.getAttributeCount());
+                    assertEquals("name", parser.getAttributeName(0));
+                    assertEquals("&&#x159;&#x1d7ed;", parser.getAttributeValue(0));
+                    assertEquals(XmlPullParser.START_TAG, parser.nextToken());
+                    assertEquals("<p>", parser.getText());
+                    assertEquals("p", parser.getName());
+                    assertEquals(XmlPullParser.ENTITY_REF, parser.nextToken());
+                    assertEquals("&", parser.getText());
+                    assertEquals("amp", parser.getName());
+                    assertEquals(XmlPullParser.ENTITY_REF, parser.nextToken());
+                    assertEquals("&#x159;", parser.getText());
+                    assertEquals("foo", parser.getName());
+                    assertEquals(XmlPullParser.ENTITY_REF, parser.nextToken());
+                    assertEquals("&#x1d7ed;", parser.getText());
+                    assertEquals("tritPos", parser.getName());
+                    assertEquals(XmlPullParser.END_TAG, parser.nextToken());
+                    assertEquals("p", parser.getName());
+                    assertEquals(XmlPullParser.END_TAG, parser.nextToken());
+                    assertEquals("section", parser.getName());
+                    assertEquals(XmlPullParser.END_DOCUMENT, parser.nextToken());
+                },
+                "should not raise exception: ");
     }
 
     /**
      * Ensures emoji can be parsed correctly
      */
     @Test
-    public void testUnicode() throws IOException {
+    void unicode() throws IOException {
         String input = "<project><!--ALL TEH BOMS!  \uD83D\uDCA3  --></project>";
 
         try {
@@ -1439,7 +1439,7 @@ public void testUnicode() throws IOException {
     }
 
     @Test
-    public void testProcessingInstructionTokenizeBeforeFirstTag() throws Exception {
+    void processingInstructionTokenizeBeforeFirstTag() throws Exception {
         String input = "<?a?><test>nnn</test>";
 
         MXParser parser = new MXParser();
@@ -1457,7 +1457,7 @@ public void testProcessingInstructionTokenizeBeforeFirstTag() throws Exception {
     }
 
     @Test
-    public void testProcessingInstructionTokenizeAfterXMLDeclAndBeforeFirstTag() throws Exception {
+    void processingInstructionTokenizeAfterXMLDeclAndBeforeFirstTag() throws Exception {
         String input = "<?xml version=\"1.0\" encoding=\"UTF-8\"?><?a?><test>nnn</test>";
 
         MXParser parser = new MXParser();
@@ -1478,7 +1478,7 @@ public void testProcessingInstructionTokenizeAfterXMLDeclAndBeforeFirstTag() thr
 
     @ParameterizedTest
     @ValueSource(strings = {" ", "\n", "\r", "\r\n", "  ", "\n "})
-    void testBlankAtBeginning(String ws) throws XmlPullParserException, IOException {
+    void blankAtBeginning(String ws) throws XmlPullParserException, IOException {
         String xml = "<?xml version=\"1.0\" encoding=\"UTF-8\"?><test>nnn</test>";
 
         MXParser parser = new MXParser();
diff --git a/src/test/java/org/codehaus/plexus/util/xml/pull/MXSerializerTest.java b/src/test/java/org/codehaus/plexus/util/xml/pull/MXSerializerTest.java
index 0b1d3d7..bc5f026 100644
--- a/src/test/java/org/codehaus/plexus/util/xml/pull/MXSerializerTest.java
+++ b/src/test/java/org/codehaus/plexus/util/xml/pull/MXSerializerTest.java
@@ -12,7 +12,7 @@
 class MXSerializerTest {
 
     @Test
-    void testSerialize() throws Exception {
+    void serialize() throws Exception {
 
         StringWriter writer = new StringWriter();
 
@@ -33,7 +33,7 @@ void testSerialize() throws Exception {
     }
 
     @Test
-    void testDeserialize() throws Exception {
+    void deserialize() throws Exception {
         MXParser parser = new MXParser();
         parser.setInput(new StringReader(expectedOutput()));
         int eventType = parser.getEventType();
@@ -61,7 +61,7 @@ private String expectedOutput() {
      * Tests MJAVADOC-793.
      */
     @Test
-    public void testWriteNullValues() throws IOException {
+    void writeNullValues() throws IOException {
         // should be no-ops
         new MXSerializer().writeElementContent(null, null);
         new MXSerializer().writeAttributeValue(null, null);
diff --git a/src/test/java/org/codehaus/plexus/util/xml/pull/eduni_misc_Test_BjoernHoehrmannviaHST2013_09_18_Test.java b/src/test/java/org/codehaus/plexus/util/xml/pull/eduni_misc_Test_BjoernHoehrmannviaHST2013_09_18_Test.java
index 642e729..e362c2f 100644
--- a/src/test/java/org/codehaus/plexus/util/xml/pull/eduni_misc_Test_BjoernHoehrmannviaHST2013_09_18_Test.java
+++ b/src/test/java/org/codehaus/plexus/util/xml/pull/eduni_misc_Test_BjoernHoehrmannviaHST2013_09_18_Test.java
@@ -32,7 +32,7 @@ public class eduni_misc_Test_BjoernHoehrmannviaHST2013_09_18_Test {
      * <p>setUp.</p>
      */
     @BeforeEach
-    public void setUp() {
+    void setUp() {
         parser = new MXParser();
     }
 
@@ -46,7 +46,7 @@ public void setUp() {
      * @throws java.io.IOException if there is an I/O error
      */
     @Test
-    public void testhst_bh_001() throws IOException {
+    void testhst_bh_001() throws IOException {
         try (Reader reader = new FileReader(new File(testResourcesDir, "001.xml"))) {
             parser.setInput(reader);
             while (parser.nextToken() != XmlPullParser.END_DOCUMENT)
@@ -67,7 +67,7 @@ public void testhst_bh_001() throws IOException {
      * @throws java.io.IOException if there is an I/O error
      */
     @Test
-    public void testhst_bh_002() throws IOException {
+    void testhst_bh_002() throws IOException {
         try (Reader reader = new FileReader(new File(testResourcesDir, "002.xml"))) {
             parser.setInput(reader);
             while (parser.nextToken() != XmlPullParser.END_DOCUMENT)
@@ -88,7 +88,7 @@ public void testhst_bh_002() throws IOException {
      * @throws java.io.IOException if there is an I/O error
      */
     @Test
-    public void testhst_bh_003() throws IOException {
+    void testhst_bh_003() throws IOException {
         try (Reader reader = new FileReader(new File(testResourcesDir, "003.xml"))) {
             parser.setInput(reader);
             while (parser.nextToken() != XmlPullParser.END_DOCUMENT)
@@ -109,7 +109,7 @@ public void testhst_bh_003() throws IOException {
      * @throws java.io.IOException if there is an I/O error
      */
     @Test
-    public void testhst_bh_004() throws IOException {
+    void testhst_bh_004() throws IOException {
         try (Reader reader = new FileReader(new File(testResourcesDir, "004.xml"))) {
             parser.setInput(reader);
             while (parser.nextToken() != XmlPullParser.END_DOCUMENT)
@@ -177,7 +177,7 @@ public void testhst_bh_006() throws IOException {
      * @throws java.io.IOException if there is an I/O error
      */
     @Test
-    public void testhst_lhs_007() throws IOException {
+    void testhst_lhs_007() throws IOException {
         try (InputStream is = new FileInputStream(new File(testResourcesDir, "007.xml"))) {
             parser.setInput(is, null);
             while (parser.nextToken() != XmlPullParser.END_DOCUMENT)
@@ -198,7 +198,7 @@ public void testhst_lhs_007() throws IOException {
      * @throws java.io.IOException if there is an I/O error
      */
     @Test
-    public void testhst_lhs_008() throws IOException {
+    void testhst_lhs_008() throws IOException {
         try (InputStream is = new FileInputStream(new File(testResourcesDir, "008.xml"))) {
             parser.setInput(is, null);
             while (parser.nextToken() != XmlPullParser.END_DOCUMENT)
@@ -219,7 +219,7 @@ public void testhst_lhs_008() throws IOException {
      * @throws java.io.IOException if there is an I/O error
      */
     @Test
-    public void testhst_lhs_009() throws IOException {
+    void testhst_lhs_009() throws IOException {
         try (InputStream is = new FileInputStream(new File(testResourcesDir, "009.xml"))) {
             parser.setInput(is, null);
             while (parser.nextToken() != XmlPullParser.END_DOCUMENT)