assertEquals(itemsPerThread * numThreads, totalPolled.get());
        assertEquals(itemsPerThread * numThreads, allUrls.size());

        urlQueueService.delete(sessionId);
    }

    public void test_poll_maxCrawlingQueueSizeTx() {
        final String sessionId = "poll_session5";
        final int maxSize = 5;
        urlQueueService.setMaxCrawlingQueueSize(maxSize);

        // Insert more items than max crawling queue size