assertTrue(jsonPath.getInt("record_count") >= 0);
        assertTrue(jsonPath.getInt("page_size") >= 0);
        assertTrue(jsonPath.getLong("query_time") >= 0);
    }

    @Test
    public void testSuggestWords_pageSizeDefault() {
        Map<String, String> params = new HashMap<>();
        params.put("q", "a");

        given().contentType("application/json")
                .header("Referer", getFessUrl())