@Override
    public void execute(AemContext context) throws PersistenceException, IOException {

      // call test-specific callback first
      if (testCallback != null) {
        testCallback.execute(context);
      }

      // wcm.io Sling extensions
      MockSlingExtensions.setUp(context);

      // URL handler-specific parameter definitions
      context.registerService(ParameterProvider.class, new UrlHandlerParameterProviderImpl());

      // application provider
      context.registerService(
          ApplicationProvider.class, MockConfig.applicationProvider(APPLICATION_ID, "/content"));

      // configuration finder strategy
      context.registerService(
          ConfigurationFinderStrategy.class,
          MockConfig.configurationFinderStrategyAbsoluteParent(
              APPLICATION_ID, DummyUrlHandlerConfig.SITE_ROOT_LEVEL));

      // wcm.io configuration
      MockConfig.setUp(context);

      // media formats
      context.registerInjectActivateService(new MediaFormatProviderManagerImpl());

      // sling models registration
      context.addModelsForPackage("io.wcm.handler.url");
      context.addModelsForPackage("io.wcm.handler.media");
      context.addModelsForPackage("io.wcm.handler.link");
      context.addModelsForPackage("io.wcm.handler.richtext");

      // create current page in site context
      context.currentPage(
          context.create().page(ROOTPATH_CONTENT, DummyAppTemplate.CONTENT.getTemplatePath()));

      // default site config
      MockConfig.writeConfiguration(
          context,
          ROOTPATH_CONTENT,
          ImmutableValueMap.builder()
              .put(UrlParams.SITE_URL.getName(), "http://www.dummysite.org")
              .put(UrlParams.SITE_URL_SECURE.getName(), "https://www.dummysite.org")
              .put(UrlParams.SITE_URL_AUTHOR.getName(), "https://author.dummysite.org")
              .build());
    }
  @Test
  public void testWithPredicate() throws Exception {
    context.registerService(PredicateProvider.class, new DummyPredicateProvider());

    context
        .request()
        .setParameterMap(
            ImmutableValueMap.of(
                AbstractPageProvider.RP_PATH,
                "/content/sample/en",
                AbstractPageProvider.RP_PREDICATE,
                DummyPredicateProvider.PREDICATE_PAGENAME_PAGE1));

    JSONArray result = getJsonResult();
    assertEquals(1, result.length());
    assertItem(result.getJSONObject(0), "/content/sample/en/page1", "title1");
  }