chromium/third_party/blink/web_tests/fast/multicol/first-line-in-block-below-next-column-top.html

<!DOCTYPE html>
<script src="../../resources/check-layout.js"></script>
<p>When its first is on the other side of a column boundary, test that we push the entire block to the next column.</p>
<p>There should be a blue square below.</p>
<div id="multicol" style="position:relative; -webkit-columns:2; -webkit-column-gap:0; column-fill:auto; width:160px; height:80px; line-height:40px;">
    <div style="height:60px;"></div>
    <div data-offset-x="80" data-offset-y="0" style="padding-top:40px; background:blue;"><br></div>
</div>
<script>
    checkLayout("#multicol");
</script>