dataIndexHelper.setCrawlingExecutionInterval(1L);
        dataIndexHelper.setCrawlerPriority(Thread.NORM_PRIORITY);
        assertTrue("Configuration should be fast", true);
    }

    public void test_empty_session_handling() {
        try {
            dataIndexHelper.crawl("");
            dataIndexHelper.crawl(null);
            assertTrue("Empty session handling should be fast", true);
        } catch (Exception e) {