document.put("title", "AAA");
        assertEquals("<strong>AAA</strong>", viewHelper.getContentTitle(document));

        document.put("title", "111AaA222bbb");
        assertEquals("111<strong>AaA</strong>222bbb", viewHelper.getContentTitle(document));

        document.put("title", "aaaAAA");
        assertEquals("<strong>aaa</strong><strong>AAA</strong>", viewHelper.getContentTitle(document));

        querySet.add("BBB");