#702 fix failing unit test

Author: stevebosman-oc

src/test/java/org/owasp/esapi/reference/ValidatorTest.java

@@ -404,7 +404,7 @@ public void testIsValidDirectoryPathGHSL_POC() throws IOException {
 
         String invalidPath = tempFolder.newFolder("esapi-test2").getAbsolutePath();
         File parent = tempFolder.newFolder("sibling-of-esapi-test2");
-        String validPath = tempFolder.newFolder("sibling-of-esapi-test2", "child").getAbsolutePath();
+        String validPath = tempFolder.newFolder("sibling-of-esapi-test2", "child").getCanonicalPath();
 
         // Before the fix, this incorrectly would return 'true' even though
         // 'esapi-test2' directory clearly was not within the 'esapi-test'