private void runMissing(String pkg) throws Exception {
MockApplication<File> application = application(InjectorProvider.GUICE, pkg);
MockApplication<?> app = application.init();
//
MockClient client = app.client();
MockViewBridge render = client.render();
String url = render.assertStringResponse();
JSON json = (JSON)JSON.parse(url);
json.set("parameters", new JSON());
MockViewBridge action = (MockViewBridge)client.invoke(json.toString());
String result = action.assertStringResponse();
assertEquals("pass", result);
}