indexUpdater.setPriority(indexUpdaterPriority);
        indexUpdater.setSessionIdList(sessionIdList);
        indexUpdater.setDaemon(true);
        indexUpdater.setCrawlerList(crawlerList);
        getAvailableBoostDocumentRuleList().forEach(rule -> {
            indexUpdater.addDocBoostMatcher(new org.codelibs.fess.indexer.DocBoostMatcher(rule));
        });
        indexUpdater.start();

        int startedCrawlerNum = 0;

            public Integer getPageDocboostMaxFetchSizeAsInteger() {
                return 100;
            }
        });

        try {
            List<BoostDocumentRule> rules = webFsIndexHelper.getAvailableBoostDocumentRuleList();
            assertTrue(true);
        } catch (Exception e) {
            assertTrue(true);
        }
    }

    @Test
    public void test_deleteCrawlData() {
        try {