chromium/third_party/blink/web_tests/fast/multicol/dynamic/spanner-in-content-becomes-regular-block-expected.html

<!DOCTYPE html>
<style>
    span { display:inline-block; width:1em; }
</style>
<p>Test changing a spanner in the middle of column content to a regular block.</p>
<p>You should see the word 'PASS' below, with large letter spacing:</p>
<span>P</span><span>A</span><span>S</span><span>S</span><br>