protected void invokeApplication() throws Exception {
CommentHome commentHome = (CommentHome)getInstance(CommentHome.class);
commentHome.replyTo();
commentHome.getInstance().setFromUserName("Foo");
commentHome.getInstance().setFromUserHomepage("http://foo.bar");
commentHome.getInstance().setFromUserEmail("foo@bar.tld");
commentHome.getInstance().setSubject("Some Subject");