[RTCPeerConnection-getStats.https.html]
  [getStats() with track not added to connection should reject with InvalidAccessError]
    expected: FAIL

  [getStats() with track added via addTransceiver should succeed]
    expected: FAIL

  [getStats() with track associated with more than one sender should reject with InvalidAccessError]
    expected: FAIL

  [getStats() with track associated with both sender and receiver should reject with InvalidAccessError]
    expected: FAIL

  [getStats() with no argument should return stats report containing peer-connection stats]
    expected: FAIL

  [getStats() on track associated with RtpSender should return stats report containing outbound-rtp stats]
    expected: FAIL

  [getStats() on track associated with RtpReceiver should return stats report containing inbound-rtp stats]
    expected: FAIL

  [getStats() with no argument should return stats report containing peer-connection stats on an empty PC]
    expected: FAIL

  [getStats() with no argument should return stats report containing peer-connection stats and outbound-track-stats]
    expected: FAIL

  [getStats() with no argument should return stats for no-stream tracks]
    expected: FAIL

  [getStats() with connected peer connections having tracks and data channel should return all mandatory to implement stats]
    expected: FAIL