assertEquals(Thread.MAX_PRIORITY, webFsIndexHelper.indexUpdaterPriority);
        assertEquals(Thread.NORM_PRIORITY, webFsIndexHelper.crawlerPriority);
    }

    @Test
    public void test_crawl_runAllMode() {
        // Mock CrawlingConfigHelper for run all mode (null parameters)
        CrawlingConfigHelper crawlingConfigHelper = new CrawlingConfigHelper() {
            @Override