7164114: Two jtreg tests are not run due to no file extension on the test files

Reviewed-by: mcimadamore

test/tools/javac/HiddenAbstractMethod/Test → test/tools/javac/HiddenAbstractMethod/Test.java

@@ -8,5 +8,5 @@
  *          the method has the same name, it does not override.
  * @author turnidge
  *
- * @compile/fail -nowrite one/Parent.java two/Child.java
+ * @compile/fail one/Parent.java two/Child.java
  */

test/tools/javac/NonAmbiguousField/Test → test/tools/javac/NonAmbiguousField/Test.java

@@ -5,6 +5,6 @@
  *          compiler as ambigous.
  * @author turnidge
  *
- * @compile -nowrite one/Parent.java two/Child.java
- * @compile -nowrite one/Parent2.java two/Child2.java
+ * @compile one/Parent.java two/Child.java
+ * @compile/fail one/Parent2.java two/Child2.java
  */

test/tools/javac/NonAmbiguousField/two/Child2.java

 /*
- * Copyright (c) 1998, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1998, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -28,9 +28,7 @@ interface I {
 }
 
 public class Child2 extends one.Parent2 implements I {
-    class inner {
-        void method() {
-            System.out.println(i);
-        }
+    void method() {
+        System.out.println(i);
     }
 }