[mediasource-activesourcebuffers.html]
  [Active SourceBuffers list reflects changes to selected audio/video tracks associated with separate SourceBuffers.]
    expected: FAIL

  [Active SourceBuffers list ignores changes to selected audio/video tracks that do not affect the activation of the SourceBuffer.]
    expected: FAIL

  [Active SourceBuffers must appear in the same order as they appear in the sourceBuffers attribute: audio is first sourceBuffer, video media appended first]
    disabled: https://bugzilla.mozilla.org/show_bug.cgi?id=1301409

  [Active SourceBuffers must appear in the same order as they appear in the sourceBuffers attribute: video is first sourceBuffer, audio media appended first]
    disabled: https://bugzilla.mozilla.org/show_bug.cgi?id=1301409

  [Active SourceBuffers must appear in the same order as they appear in the sourceBuffers attribute: audio is first sourceBuffer, audio media appended first]
    disabled: true

  [Active SourceBuffers must appear in the same order as they appear in the sourceBuffers attribute: video is first sourceBuffer, video media appended first]
    disabled: true

