--- a/submitted/W3C/video.html	Mon Jun 03 23:31:21 2013 +0200
+++ b/submitted/W3C/video.html	Mon Jun 03 23:33:08 2013 +0200
@@ -23,6 +23,7 @@
     assert_true(stream instanceof MediaStream, "getUserMedia success callback comes with a MediaStream object");
     assert_equals(stream.getAudioTracks().length, 0, "the media stream has zero audio track");
     assert_equals(stream.getVideoTracks().length, 1, "the media stream has exactly one video track");
+    assert_equals(stream.getVideoTracks()[0].kind, "video", "getAudioTracks() returns a sequence of tracks whose kind is 'video'");
     t.done();
   }), function(error) {});
 });