chromium/third_party/blink/web_tests/external/wpt/css/css-lists/change-list-descendant-display.html

<!DOCTYPE html>
<html class="reftest-wait">
<meta charset="utf-8">
<title>CSS Lists: test the change of descendant's display</title>
<link rel="author" title="Oriol Brufau" href="mailto:[email protected]">
<link rel="match" href="change-list-descendant-display-ref.html">
<link rel="help" href="https://www.w3.org/TR/CSS22/generate.html#lists">
<meta name="assert" content="Check that an outside marker looks good when
  the descendant of the list item that contains the 1st line box changes
  from 'display: block' to 'display: inline' or vice versa.">
<style>
.inline {
  display: inline;
}
</style>
<ol>
  <li><div class="target">text</div></li>
  <li><div class="target inline">text</div></li>
  <li><div><div class="target">text</div></div></li>
  <li><div><div class="target inline">text</div></div></li>
  <li><div><div><div class="target">text</div></div></div></li>
  <li><div><div><div class="target inline">text</div></div></div></li>
</ol>
<script src="/common/reftest-wait.js"></script>
<script>
addEventListener("load", async () => {
  for (let target of document.querySelectorAll(".target")) {
    await new Promise(resolve => requestAnimationFrame(resolve));
    target.classList.toggle("inline");
  }
  takeScreenshot();
}, {once: true});
</script>
</html>