public void test_Read() throws Exception {
        String indexName = "test-index";
        Client client = runner.client();
        SuggestSettings settings = suggester.settings();
        int num = 10000;

        addDocument(indexName, client, num);

        ESSourceReader reader = new ESSourceReader(client, settings, indexName);
        reader.setScrollSize(1000);
        int count = 0;

        public SearchResultBuilder partialResults(final boolean partialResults) {
            this.partialResults = partialResults;
            return this;
        }

        public SearchResultBuilder addDocument(final Map<String, Object> doc) {
            documentList.add(doc);
            return this;
        }

        public SearchResultBuilder facetResponse(final FacetResponse facetResponse) {

        if (StringUtil.isNotBlank(name) && StringUtil.isNotBlank(value)) {
            headerList.add(new Pair<>(name, value));
        }
    }

    public void addDocument(final Map<String, Object> doc) {
        documentList.add(doc);
    }

    public void setSearchQuery(final String query) {
        addSearchFieldLogValue(Constants.SEARCH_FIELD_LOG_SEARCH_QUERY, query);
    }