chromium/third_party/blink/web_tests/fast/block/float/marquee-shrink-to-avoid-floats.html

<div style="background-color: red; width: 100px;">
    <div style="float: left; width: 50px; height: 100px; background-color: green"></div>
    <div>
        <marquee style="height: 100px; background-color: blue;"></marquee>
    </div>
</div>