final SearchResult<T, SearchRequestBuilder, SearchResponse> searchResult) {
        final SystemHelper systemHelper = ComponentUtil.getSystemHelper();
        final long startTime = systemHelper.getCurrentTimeAsLong();

        SearchResponse searchResponse = null;
        final SearchRequestBuilder searchRequestBuilder = client.prepareSearch(index);

        final SearchResponse searchResponse = client.prepareSearch(indexName)
                .setQuery(QueryBuilders.termQuery("hostname", hostname))
                .setSize(searchSize)
                .addSort("timestamp", SortOrder.ASC)
                .execute()
                .actionGet(fessConfig.getIndexSearchTimeout());

        final SearchHit[] hits = searchResponse.getHits().getHits();

    }

    @Test
    public void test_fetchNewEvents_emptyResponse() {
        setupMockFessConfig();
        final String searchResponse = "{\"hits\":{\"hits\":[]}}";
        final CoordinatorHelper helper = createCapturingHelper("node1@host1", null, null, createMockResponse(200, searchResponse));
        setLastEventCheckTime(helper, 4000L);

        final List<EventInfo> events = helper.fetchNewEvents();