assertTrue(fessConfig.isCrawlerHotthreadIgnoreIdleThreads());
    }

    @Test
    public void test_crawlerHotthreadInterval() {
        assertEquals("500ms", fessConfig.getCrawlerHotthreadInterval());
    }

    @Test
    public void test_crawlerHotthreadSnapshots() {
        assertEquals(Integer.valueOf(10), fessConfig.getCrawlerHotthreadSnapshotsAsInteger());
    }

    @Test

     * comment: Interval for hot thread monitoring (e.g., 500ms).
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getCrawlerHotthreadInterval();

    /**
     * Get the value for the key 'crawler.hotthread.snapshots'. <br>
     * The value is, e.g. 10 <br>
     * comment: Number of snapshots for hot thread monitoring.