chromium/third_party/blink/web_tests/fast/backgrounds/background-attachment-fixed-on-abs-pos.html

<!DOCTYPE html>
<style>
  ::-webkit-scrollbar {
    display: none;
  }
</style>
<div style="position:absolute; left:0; top:0; width:100px; height:100px; background:fixed url(../../paint/invalidation/resources/grid.png);"></div>
<div style="height:1000px;"></div>
<script>
  scrollTo(0, 3);
</script>