chromium/content/test/data/accessibility/html/insert-before-with-whitespace.html

<!--
@BLINK-ALLOW:next*
@BLINK-ALLOW:prev*
@EXECUTE-AND-WAIT-FOR:moveLastChild()
-->
<ol>
  <li id="li1">this is the first item</li>
  <li id="li2">this is the second item (for now)</li>
  <li id="li3"><p role="presentation"><span class=a1>Hello</span><span class=a2><span class=a3 contenteditable="false"> <br role="presentation"></span></span><span class=b1>world this</span><span class=b2><span class=b3 contenteditable="false"> <br role="presentation"></span></span><span class=c1>is just like docs, and your kitchen sink</span>
  </li>
</ol>
<script>
  function moveLastChild() {
    var li3 = document.querySelector("#li3");
    var li2 = document.querySelector("#li2");
    li2.parentNode.insertBefore(li3, li2);
    document.title = 'done';
    return 'done';
  }
</script>