searchEngineClient = new TestSearchEngineClient();
        dataService = new TestDataService();
        urlQueueService = new TestUrlQueueService();
        urlFilterService = new TestUrlFilterService();
        clickLogBhv = new TestClickLogBhv();
        favoriteLogBhv = new TestFavoriteLogBhv();
        ingestFactory = new TestIngestFactory();

        // Register components