; focus does not move.</li>
                  <li>When focus is on a open node, moves focus to the first child node.</li>
                  <li>When focus is on an end node, does nothing.</li>
                </ul>
              </td>
            </tr>
            <tr data-test-id="key-left-arrow">
              <th><kbd>Left Arrow</kbd></th>
              <td>
                <ul>
                  <li>When focus is on an open node, closes the node.</li>
                  <li>When focus is on a child node 