column-span-under-composited-column-child.html

<!DOCTYPE html>
<div style="will-change: transform"></div>
<div style="columns: 2">
  <div style="position: relative">
    <div id="target" style="column-span: all; width: 100px; height: 100px; background-color: red"></div>
  </div>
</div>
<script src="../resources/text-based-repaint.js"></script>
<script>
function repaintTest() {
  target.style.backgroundColor = 'green';
}
onload = runRepaintAndPixelTest;
</script>

chromium/third_party/blink/web_tests/paint/invalidation/compositing/column-span-under-composited-column-child.html