}

        @Override
        public boolean isCrawlerRunning() {
            return crawlerRunning;
        }

        @Override
        public void delayByRules() {
            // Do nothing in test
        }
    }

    private static class TestSearchLogHelper extends SearchLogHelper {
        private int clickCount = 0;
        private long favoriteCount = 0L;

                    }

                    systemHelper.calibrateCpuLoad();
                    systemHelper.waitForNoWaitingThreads();

                    intervalControlHelper.delayByRules();

                    if (logger.isDebugEnabled()) {
                        logger.debug("Processing documents in IndexUpdater queue.");
                    }