chromium/third_party/blink/web_tests/external/wpt/html/semantics/embedded-content/media-elements/loading-the-media-resource/resource-selection-invoke-insert-source-in-div.html

<!doctype html>
<title>NOT invoking resource selection by inserting &lt;source> in &lt;div> in &lt;video></title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id=log></div>
<video><div></div></video>
<script>
async_test(function(t) {
  var v = document.querySelector('video');
  v.onloadstart = t.step_func(function() { assert_unreached(); });
  v.firstChild.appendChild(document.createElement('source'));
  window.onload = t.step_func(function() { t.done(); });
});
</script>