builder.setFetchSource(fields, null);
            return true;
        }).orElse(null);
    }

    public List<Map<String, Object>> getDocumentListByPrefixId(final SearchEngineClient searchEngineClient, final String id,
            final String[] fields) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();

                resultMap.get("query"));
        assertEquals(3, document.size());
    }

    public void test_getDocumentListByPrefixId() {
        documentSizeByQuery = 1L;
        final Map<String, String> resultMap = new HashMap<>();
        final SearchEngineClient client = new SearchEngineClient() {
            @Override