chromium/third_party/blink/web_tests/external/wpt/css/css-text/text-transform/text-transform-uppercase-dynamic.html

<!DOCTYPE html>
<html class="reftest-wait">
<meta charset="utf-8">
<link rel="help" href="http://www.w3.org/TR/css-text-3/#text-transform">
<link rel="match" href="reference/text-transform-uppercase-dynamic-ref.html">
<style>
.test { text-transform: uppercase; }
</style>
<script>
requestAnimationFrame(() => {
  requestAnimationFrame(() => {
    document.getElementById('sp').setAttribute('lang', 'my');
    document.documentElement.classList.remove('reftest-wait');
  });
});
</script>
<div class="test" lang="lt">
  <span id="sp">i̇̃ Ĩ</span>
</div>
</html>