
PASS addTrack: creates a transceiver for the sender 
PASS addTrack: "transceiver == {sender,receiver}" 
PASS addTrack: transceiver.sender is associated with the track 
PASS addTrack: transceiver.receiver has its own track 
PASS addTrack: transceiver.receiver's track is muted 
PASS addTrack: transceiver is not associated with an m-section 
PASS addTrack: transceiver is not stopped 
PASS addTrack: transceiver's direction is sendrecv 
PASS addTrack: transceiver's currentDirection is null 
PASS setLocalDescription(offer): transceiver gets associated with an m-section 
PASS setLocalDescription(offer): transceiver.mid matches the offer SDP 
PASS setRemoteDescription(offer): ontrack fires with a track 
PASS setRemoteDescription(offer): ontrack's stream.id is the same as stream.id 
PASS setRemoteDescription(offer): ontrack fires with a transceiver. 
PASS setRemoteDescription(offer): transceiver.mid is the same on both ends 
PASS setRemoteDescription(offer): "transceiver == {sender,receiver}" 
PASS setRemoteDescription(offer): transceiver.direction is recvonly 
PASS setRemoteDescription(offer): transceiver.currentDirection is null 
PASS setRemoteDescription(offer): transceiver.stopped is false 
PASS setLocalDescription(answer): transceiver.currentDirection is recvonly 
PASS setLocalDescription(answer): transceiver.currentDirection is sendonly 
PASS addTransceiver(track): creates a transceiver for the track 
PASS addTransceiver(track): "transceiver == {sender,receiver}" 
PASS addTransceiver(track, init): initialize direction to inactive 
FAIL addTransceiver(track, init): initialize sendEncodings[0].active to false assert_false: expected false got true
PASS addTransceiver(0 streams): ontrack fires with no stream 
PASS addTransceiver(1 stream): ontrack fires with corresponding stream 
PASS addTransceiver(2 streams): ontrack fires with corresponding two streams 
PASS addTrack(0 streams): ontrack fires with no stream 
PASS addTrack(1 stream): ontrack fires with corresponding stream 
PASS addTrack(2 streams): ontrack fires with corresponding two streams 
PASS addTransceiver('audio'): creates a transceiver with direction sendrecv 
PASS addTransceiver('audio'): transceiver.receiver.track.kind == 'audio' 
PASS addTransceiver('video'): transceiver.receiver.track.kind == 'video' 
PASS addTransceiver('audio'): transceiver.sender.track == null 
PASS addTransceiver('audio'): transceiver.currentDirection is null 
PASS addTransceiver('audio'): transceiver.stopped is false 
PASS addTrack reuses reusable transceivers 
PASS addTransceiver does not reuse reusable transceivers 
PASS Can setup two-way call using a single transceiver 
PASS Closing the PC stops the transceivers 
PASS Changing transceiver direction to 'sendrecv' makes ontrack fire