s on that parent menubar item.</li>
            </ul>
          </td>
        </tr>
        <tr data-test-id="submenu-down-arrow">
          <th>
            <kbd>Down Arrow</kbd>
          </th>
          <td>
            <ul>
              <li>Moves focus to the next item in the submenu.</li>
              <li>If focus is on the last item, moves focus to the first item.</li>
            </ul>
          </td>
        </tr>
        <tr data-test-id="submenu-up-arrow">
          <th>
            <kbd>Up Arro