chromium/third_party/blink/web_tests/fast/block/positioned-bottom-margin-expected.html

<!DOCTYPE HTML>
<html>
  <body>
    <p>When you scroll down there should be <b>no</b> space provided by the margin after the yellow box.</p>
    <div style="position:absolute;width:auto;height:auto;top:0px;bottom:0px;left:0px;right:0px;min-height:200px;">
      <div style="background-color: yellow; border: 1px solid red; height: 1000px; margin-top: 50px;"></div>
    </div>
  </body>
</html>