}

    @Test
    public void test_addField() throws Exception {
        indexQueryItems();

        PopularWordsResponse response = suggester.popularWords().setSize(10).addField("content").execute().getResponse();

        assertNotNull(response);
        assertTrue(response.getTotal() > 0);
    }

    @Test
    public void test_addLanguage() throws Exception {

        assertNotNull(response);
    }

    @Test
    public void test_addField() throws Exception {
        indexItems();

        PopularWordsResponse response = suggester.popularWords().addField("content").execute().getResponse();

        assertNotNull(response);
    }

    @Test
    public void test_addExcludeWord() throws Exception {
        indexItems();

        assertEquals(1, response.getNum());
    }

    @Test
    public void test_addField() throws Exception {
        indexItems();

        SuggestResponse response = suggester.suggest().setQuery("test").addField("content").execute().getResponse();

        assertNotNull(response);
    }

    @Test
    public void test_addKind() throws Exception {
        indexItems();

                stream(baseRoles).of(stream -> stream.forEach(role -> popularWordsRequestBuilder.addRole(role)));
                stream(baseFields).of(stream -> stream.forEach(field -> popularWordsRequestBuilder.addField(field)));
                stream(baseExcludes).of(stream -> stream.forEach(exclude -> popularWordsRequestBuilder.addExcludeWord(exclude)));
                try {

            final SuggestRequestBuilder builder = suggestHelper.suggester().suggest();
            builder.setQuery(parameter.getQuery());
            stream(parameter.getSuggestFields()).of(stream -> stream.forEach(builder::addField));
            roleQueryHelper.build(SearchRequestType.SUGGEST).stream().forEach(builder::addRole);
            builder.setSize(parameter.getNum());
            stream(langs).of(stream -> stream.forEach(builder::addLang));