<!DOCTYPE html>
<html class="reftest-wait">
<head>
<script>

function boom()
{

    var ac = new window.AudioContext("publicnotification");

    setTimeout(function() {
        document.documentElement.removeAttribute("class");
        var htmlAudio = new Audio();
        var stream = htmlAudio.mozCaptureStreamUntilEnded();
        ac.createMediaStreamSource(stream);
    }, 0);
}

</script>
</head>
<body onload="boom();">
</body>
</html>
