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

<!DOCTYPE html>
<meta name="color-scheme" content="dark">
<style>
  :root {
    background-color: green;
    height: 5000px;
    width: 5000px;
  }
</style>