protected void testRead() {
        final Map<String, Object> searchBody = new HashMap<>();
        String response = checkGetMethod(searchBody, "").asString();
        final Map<String, Object> res = JsonPath.from(response).getMap("response.setting");
        assertTrue(res.containsKey("total_words_num"));
        assertTrue(res.containsKey("document_words_num"));
        assertTrue(res.containsKey("query_words_num"));