chromium/content/test/data/accessibility/html/ul-contenteditable.html

<div role="textbox" contenteditable="true">
  <ul>
    <!-- Mimic list markup used in Google Docs -->
    <li><p role="presentation"><span>Hello</span></p></li>
    <li><p role="presentation">Bye</p></li>
  </ul>
</div>