created an additional oop class & tests

src/test/java/rocks/zipcode/io/quiz4/fundamentals/palindromeevaluator/PalindromeEvaluatorIsPalindromeTestNegative.java

     }
 
     public void test(String input) {
-        Assert.assertTrue(PalindromeEvaluator.isPalindrome(input));
+        Assert.assertFalse(PalindromeEvaluator.isPalindrome(input));
     }
 }