chromium/third_party/blink/web_tests/external/wpt/event-timing/interaction-count-press-key.html

<!DOCTYPE html>
<html>
<meta charset=utf-8 />
<title>Event Timing: interactionCount-press-key</title>
<input id='input'></input>
<textarea id='textarea'></textarea>
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<script src=/resources/testdriver.js></script>
<script src=/resources/testdriver-vendor.js></script>
<script src=/resources/testdriver-actions.js></script>
<script src=resources/event-timing-test-utils.js></script>
<script>
  interactionCount_test('key', [input, textarea, input], 'h');
</script>

</html>