Fix for Java 21, 22

Author: slachiewicz

plexus-compilers/plexus-compiler-javac-errorprone/src/test/java/org/codehaus/plexus/compiler/javac/JavacErrorProneCompilerTest.java

@@ -20,10 +20,10 @@ protected int expectedWarnings() {
         } else if (javaVersion.contains("18")
                 || javaVersion.contains("19")
                 || javaVersion.contains("20")
+                || javaVersion.contains("21")
+                || javaVersion.contains("22")
                 || javaVersion.contains("23")) {
             return 5;
-        } else if (javaVersion.contains("21") || javaVersion.contains("22")) {
-            return 6;
         }
         return 2;
     }

plexus-compilers/plexus-compiler-javac/src/test/java/org/codehaus/plexus/compiler/javac/JavaxToolsCompilerTest.java

@@ -27,9 +27,7 @@ public class JavaxToolsCompilerTest extends AbstractJavacCompilerTest {
     @Override
     protected int expectedWarnings() {
         String javaVersion = getJavaVersion();
-        if (javaVersion.contains("21") || javaVersion.contains("22")) {
-            return 8;
-        } else if (javaVersion.contains("23")) {
+        if (javaVersion.contains("21") || javaVersion.contains("22") || javaVersion.contains("23")) {
             return 1;
         } else {
             return super.expectedWarnings();