chromium/third_party/blink/web_tests/fast/forms/image-border.html

<html>
<body>
<p>The first empty image box below should have the default grey "no border" border.
   The second should have a 1-pixel solid black border. They should be the same otherwise.</p>
    border:0<img alt="" border="0" width="338" height="50px"><hr>
    border:1<img alt="" border="1" width="338" height="50px">
</body>
</html>