final UrlQueueService urlQueueService = crawlerContainer.getComponent("urlQueueService");
        assertNotNull(urlQueueService);
    }

    @Test
    public void test_getComponent_dataHelper() {
        final MemoryDataHelper dataHelper = crawlerContainer.getComponent("dataHelper");
        assertNotNull(dataHelper);
    }

    @Test
    public void test_getComponent_multiple() {