LayoutTests/editing/execCommand/remove-list-1.html

<script>
if (window.testRunner) {
    testRunner.dumpEditingCallbacks();
    testRunner.dumpAsText();
}
</script>
<p>This tests de-listing content.</p>
<div id="div" contenteditable="true"><ol><li></li><li>There should be a single BR above this line and no OL or LI.</li></ol></div>
<p id="console"></p>

<script>

function log(message) {
    var console = document.getElementById("console");
    var text = document.createTextNode(message);
    console.appendChild(text);
}

var div = document.getElementById("div");
var sel = window.getSelection();

div.focus();
document.execCommand("SelectAll");
document.execCommand("InsertOrderedList");

log(div.innerHTML);

</script>