third_party/blink/web_tests/fast/block/child-with-auto-margin-rtl-body.html

<style>
body {
    direction: rtl;
}
.outer {
    height: 500px;
    overflow: auto;
    background: red;
}
.inner {
    height: 1000px;
    margin-right: auto;
    background: green;
}
</style>
<div class="outer">
    <div class="inner">
    </div>
</div>
<p>crbug.com/541574: Calculate the correct left offset for children in an rtl context. There should be no red.</p>