[RTCRtpSender-getStats.https.html]
  [sender.getStats() via addTransceiver should return stats report containing outbound-rtp stats]
    bug: https://bugzilla.mozilla.org/show_bug.cgi?id=1225720
    expected: FAIL

  [sender.getStats() via addTrack should return stats report containing outbound-rtp stats]
    bug: https://bugzilla.mozilla.org/show_bug.cgi?id=1225720
    expected: FAIL