}

    @Test
    public void test_crawlerDataEnvParamKeyPattern() {
        assertEquals("^FESS_ENV_.*", fessConfig.getCrawlerDataEnvParamKeyPattern());
    }

    @Test
    public void test_crawlerHotthreadIgnoreIdleThreads() {
        assertTrue(fessConfig.isCrawlerHotthreadIgnoreIdleThreads());
    }

    @Test
    public void test_crawlerHotthreadInterval() {