chromium/third_party/blink/web_tests/editing/execCommand/remove-format-in-table-cell.html

<!DOCTYPE html>
<html>
<body>
<script src="../../resources/dump-as-markup.js"></script>
<div id="test" contenteditable><table><tr><td><b>hello</b></td></tr><tr><td>world</td></tr></table></div>
<script>

Markup.description('This tests that RemoveFormat does not add extra span tags when executed inside a table cell.');
window.getSelection().selectAllChildren(document.getElementsByTagName('b')[0]);
document.execCommand('RemoveFormat', false, null);
Markup.dump('test');

</script>
</body>
</html>