MethodInterceptor interceptor =  new NoOpInterceptor();
  public void testEnhanced()throws Throwable{           MethodInterceptor interceptor =  new NoOpInterceptor();       Source source =  (Source)Enhancer.enhance(        Source.class,        new Class[]{java.util.List.class}, interceptor );                 TestCase.assertTrue("enhance", Source.class != source.getClass() );    } 