chromium/third_party/blink/web_tests/external/wpt/css/css-multicol/multicol-under-vertical-rl-scroll.html

<!DOCTYPE html>
<title>Multicol under vertical-rl scrolling container</title>
<link rel="match" href="multicol-under-vertical-rl-scroll-ref.html">
<link rel="help" href="https://drafts.csswg.org/css-multicol">
<meta name="assert" content="Test that multicol works as expected when overflow is scrolling in vertical-rl" />
<p>Passes if there are two green squares</p>
<div style="width: 200px; height: 200px; overflow: scroll; writing-mode: vertical-rl; border: 1px solid black">
  <div style="columns: 2; column-gap: 20px; width: 80px; height: 180px">
    <div style="width: 160px; background: green"></div>
  </div>
  <div style="width: 500px; height: 500px"></div>
</div>