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  <p>This test should not assert.</p>
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    <iframe style="position:absolute; top:0; left:0; height: 200px; width: 200px; border: 2px solid black; background-color: blue;"></iframe>
    <div style="position: relative; height: 500px; width: 100%; background-color: rgba(0, 0, 0, 0.2); padding: 10px">
    </div>
  </div>
</body>
</html>
