| PASS setRemoteDescription with invalid type and invalid SDP should reject with TypeError | |
| PASS setRemoteDescription() with invalid SDP and stable state should reject with InvalidStateError | |
| PASS Negotiation should fire signalingsstate events | |
| PASS Calling setRemoteDescription() again after one round of remote-offer/local-answer should succeed | |
| PASS Switching role from offerer to answerer after going back to stable state should succeed | |