viewHelper.setEncodeUrlLink(true);
        viewHelper.setUrlLinkEncoding("UTF-8");
        viewHelper.setOriginalHighlightTagPre("<mark>");
        viewHelper.setOriginalHighlightTagPost("</mark>");
        viewHelper.setCacheTemplateName("cache");
        viewHelper.setFacetCacheDuration(600L);
    }

    @Test
    public void test_TextFragment() {