<body>
<script src=video-test.js></script>
<video controls>
    <source src=content/error.mpeg type=video/blahblah>
    <source src=content/test.mp4 type=video/mpeg>
    <source src=content/error2.mpeg type=video/mpeg>
</video>
<script>
video = media = document.getElementsByTagName('video')[0];
waitForEventTestAndEnd('begin', "relativeURL(video.currentSrc) == 'content/test.mp4'");
</script>