PASS pc.removeTrack(sender) did not throw exception.
Sender is still in getSenders() list
PASS pc.getSenders().length is 2
-PASS senderFromPc2 = pc2.addTrack(track, stream) did not throw exception.
-removeTrack() with 'foreign' sender must be ignored (not throw)
-PASS pc.removeTrack(senderFromPc2) did not throw exception.
PASS pc.addTrack(null); threw exception TypeError: Argument 1 ('track') to RTCPeerConnection.addTrack must be an instance of MediaStreamTrack.
PASS pc.addTrack(undefined); threw exception TypeError: Argument 1 ('track') to RTCPeerConnection.addTrack must be an instance of MediaStreamTrack.
PASS pc.removeTrack(null); threw exception TypeError: Argument 1 ('sender') to RTCPeerConnection.removeTrack must be an instance of RTCRtpSender.