chromium/third_party/blink/web_tests/external/wpt/event-timing/mouseover.html

<!DOCTYPE html>
<html>
<meta charset=utf-8 />
<title>Event Timing mouseover.</title>
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<script src=/resources/testdriver.js></script>
<script src=/resources/testdriver-actions.js></script>
<script src=/resources/testdriver-vendor.js></script>
<script src=resources/event-timing-test-utils.js></script>
<div>Outside target!</div>
<div id='target'>Target</div>
<script>
  promise_test(async t => {
    return testEventType(t, 'mouseover', true /* looseCount */);
  })
</script>
</html>