<!DOCTYPE html>
<html>
  <head>
    <title>Mixing user and programmatic scroll of iframe</title>
    <meta name="viewport" content="width=device-width, initial-scale=1">
  </head>
  <body>
    <p>This test passes if you see a green rectangle.</p>
    <div style="position: absolute; top: 3em; width: 100px; height: 100px; background: green;"></div>
</body>
</html>