typo in 5.11 test

Author: psj258

Diff for: primitives/src/test/java/CheckIfIntegerIsPalindromeTest.java

@@ -25,7 +25,7 @@ public void isPalindrome2() {
 
     @Test
     public void isPalindrome3() {
-        expected = true;
+        expected = false;
         input = -1;
 
         test(expected, input);