Map<String, Object> doc = new HashMap<>();
        doc.put("doc_id", "docId");
        doc.put("url", url);
        assertEquals(expected, viewHelper.getUrlLink(doc));
    }

    public void test_replaceHighlightQueries() {
        String text;
        String[] queries;

        text = "<a>123<b>456<c>";
        queries = new String[] { "123", "456" };