test-id="group-role">
              <th scope="row"><code>group</code></th>
              <td></td>
              <td><code>ul</code></td>
              <td>
                <ul>
                  <li>Identifies the <code>ul</code> element as a container of <code>treeitem</code> elements that form a branch of the tree.</li>
                  <li>The group is contained in the element that serves as the parent <code>treeitem</code>.</li>
                  <li>Browsers use the grouping to compute <code>aria-le