<!DOCTYPE html>
<html>
<head>
<script src="../../resources/js-test.js"></script>
<script>
    description("Tests triggering track display before media controls are created. Test passes if it does not crash.");
</script>
</head>
<body>
    <template>
        <video>
            <source>
                <audio>
                    <track src="x" default="C">Test Track 1</track>
                </audio>
            </source>
        </video>
    </template>
</body>
</html>