dynamic-preferred-root-scrollbar-color-scheme-change-expected.html

<!DOCTYPE html>
<meta name="color-scheme" content="dark">
<script src="../../../../../../resources/run-after-layout-and-paint.js"></script>

<style>
  :root {
    background-color: green;
    height: 5000px;
    width: 5000px;
  }
</style>

<script>
  runAfterLayoutAndPaint(() => {
    window.internals.setDarkPreferredColorScheme(document);
  }, true);
</script>

chromium/third_party/blink/web_tests/virtual/controls-refresh-hc/fast/forms/color-scheme/scrollbar/dynamic-preferred-root-scrollbar-color-scheme-change-expected.html