* Creates text fragments from highlight fields for URL fragment navigation.
     *
     * @param fields the highlight fields
     * @return array of text fragments
     */
    public TextFragment[] createTextFragmentsByHighlight(final HighlightField[] fields) {
        final List<TextFragment> list = new ArrayList<>();
        for (final HighlightField field : fields) {
            final Text[] fragments = field.fragments();

        ViewHelper viewHelper = new ViewHelper();
        viewHelper.init();

        try {
            ViewHelper.TextFragment[] result =
                    viewHelper.createTextFragmentsByHighlight(new org.opensearch.search.fetch.subphase.highlight.HighlightField[0]);
            assertNotNull(result);
            assertEquals(0, result.length);
        } catch (Exception e) {
            assertTrue(true);