checkstyle: fix formatting

Author: alxkm

src/test/java/com/thealgorithms/strings/PalindromeTest.java

@@ -1,15 +1,14 @@
 package com.thealgorithms.strings;
 
+import java.util.stream.Stream;
 import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.params.ParameterizedTest;
 import org.junit.jupiter.params.provider.MethodSource;
-import java.util.stream.Stream;
 
 public class PalindromeTest {
 
     private static Stream<TestData> provideTestCases() {
-        return Stream.of(new TestData(null, true), new TestData("", true), new TestData("aba", true), new TestData("123321", true), new TestData("kayak", true),
-            new TestData("abb", false), new TestData("abc", false), new TestData("abc123", false), new TestData("kayaks", false));
+        return Stream.of(new TestData(null, true), new TestData("", true), new TestData("aba", true), new TestData("123321", true), new TestData("kayak", true), new TestData("abb", false), new TestData("abc", false), new TestData("abc123", false), new TestData("kayaks", false));
     }
 
     @ParameterizedTest
@@ -18,6 +17,6 @@ void testPalindrome(TestData testData) {
         Assertions.assertEquals(testData.expected, Palindrome.isPalindrome(testData.input) && Palindrome.isPalindromeRecursion(testData.input) && Palindrome.isPalindromeTwoPointer(testData.input));
     }
 
-    private record TestData (String input, boolean expected) {
+    private record TestData(String input, boolean expected) {
     }
 }