--- a/dom/media/test/test_streams_individual_pause.html
+++ b/dom/media/test/test_streams_individual_pause.html
@@ -20,21 +20,19 @@ var getVideoImagePixelData = function(v)
   return "r" + imgData[0] +
          "g" + imgData[1] +
          "b" + imgData[2] +
          "a" + imgData[3];
 }
 
 // This test does not appear to work with the "Dummy video source" provided on
 // linux through the "media.video_loopback_dev" pref in the tree test environment.
-// To force the built-in fake streams to always be used instead, we specify
-// fakeTracks, a feature solely of the built-in fake streams (even though we
-// don't use the extra tracks).
+// We force a stream always by requesting `fake: true` here.
 
-navigator.mozGetUserMedia({video: true, fake: true, fakeTracks: true },
+navigator.mozGetUserMedia({video: true, fake: true },
                           function(stream) {
   var stream = stream;
   var video1 = document.getElementById('video1');
   var video2 = document.getElementById('video2');
 
   var src = URL.createObjectURL(stream);
   video1.src = src;
   video2.src = src;