SuggestResponse response2 = suggester.suggest().setQuery("kensaku").setSuggestDetail(true).execute().getResponse();
        assertEquals(0, response2.getNum());
    }

    @Test
    public void test_indexFromQueryString() throws Exception {
        SuggestSettings settings = suggester.settings();
        String field = settings.array().get(SuggestSettings.DefaultKeys.SUPPORTED_FIELDS)[0];