PopularWordsResponse response = suggester.popularWords().setWindowSize(50).execute().getResponse();

        assertNotNull(response);
    }

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

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

        assertNotNull(response);
    }

        assertNotNull(response);
        for (String word : response.getWords()) {
            assertTrue(!word.equals("クエリ0"));
        }
    }

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

        PopularWordsResponse response = suggester.popularWords().setSize(10).setQueryFreqThreshold(20).execute().getResponse();

        assertNotNull(response);