assertNotNull(response);
        if (response.getNum() > 0) {
            assertNotNull(response.getItems());
        }
    }

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

        SuggestResponse response = suggester.suggest()
                .setQuery("test")
                .setSize(10)
                .addTag("tag1")

        PopularWordsResponse response = suggester.popularWords().setQueryFreqThreshold(5).execute().getResponse();

        assertNotNull(response);
    }

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

        PopularWordsResponse response = suggester.popularWords()
                .setSize(10)
                .addTag("tag1")