unbreakable-block-too-tall-at-column-start.html

<!DOCTYPE html>
<p>Test that an unbreakable block at the top of a column that's too tall for the column isn't moved
    to the next column, since that would just leave one column completely blank.</p>
<p>There should be a blimp below.</p>
<div style="-webkit-columns:2; -webkit-column-gap:0; column-fill:auto; height:100px; overflow:hidden;">
    <div style="height:100px;"></div>
    <img src="resources/blimp.png" style="display:block; height:101px;">
</div>

chromium/third_party/blink/web_tests/fast/multicol/unbreakable-block-too-tall-at-column-start.html