
PASS setLocalDescription(offer) with m= section should assign mid to corresponding transceiver 
PASS setRemoteDescription(offer) with m= section and no existing transceiver should create corresponding transceiver 
FAIL setLocalDescription(rollback) should unset transceiver.mid promise_test: Unhandled rejection with value: object "InvalidStateError: Description type incompatible with current signaling state"
FAIL setLocalDescription(rollback) should only unset transceiver mids associated with current round promise_test: Unhandled rejection with value: object "InvalidStateError: Description type incompatible with current signaling state"
FAIL setRemoteDescription(rollback) should remove newly created transceiver from transceiver list promise_test: Unhandled rejection with value: object "InvalidStateError: Description type incompatible with current signaling state"
PASS setRemoteDescription should stop the transceiver if its corresponding m section is rejected