a-selected="false" class="doc">letter-1C.docx</li>
                  </ul>
                </li>
                <li role="treeitem" aria-expanded="false" aria-selected="false">
                  <span> letter-2 </span>
                  <ul role="group">
                    <li role="treeitem" aria-selected="false" class="doc">letter-2A.docx</li>
                    <li role="treeitem" aria-selected="false" class="doc">letter-2B.docx</li>
                    <li role="treeitem" aria-selected="false" class=