description-change-no-relation.html

<!DOCTYPE html>
<html>
<body>
<div id="a" aria-description="1"></div>
<script>
  function go() {
    document.getElementById('a').setAttribute('aria-description', '2');
  }
</script>
</body>
</html>

chromium/content/test/data/accessibility/event/description-change-no-relation.html