[mediasource-config-change-mp4-av-framesize.html]
  type: testharness
  prefs: [media.mediasource.enabled:true, media.mediasource.whitelist:false]
  [Tests mp4 frame size changes in multiplexed content.]
    expected:
      if os == "linux": FAIL
      if (os == "win") and (version == "5.1.2600"): FAIL

