assertEquals("検索エンジン 柿", items.get(0).getText());
    }

    public void test_parseQueryLogAndRole() throws Exception {
        QueryLog queryLog = new QueryLog("content:検索エンジン AND label:tag1", "role:role1");
        List<SuggestItem> items = defaultContentsParser.parseQueryLog(queryLog, supportedFields, tagFieldNames, roleFieldName,
                createDefaultReadingConverter(), createDefaultNormalizer());