String[][] readings = new String[1][];
        readings[0] = new String[] { "word1" };
        items.add(new SuggestItem(new String[] { "word1" }, readings, new String[] { "content" }, 0, 10, -1, new String[] { "tag1" },
                new String[] { SuggestConstants.DEFAULT_ROLE }, null, SuggestItem.Kind.QUERY));

        PopularWordsResponse response = new PopularWordsResponse("test-index", 100, words, 10, items);