| PASS setLocalDescription(rollback) from have-local-offer state should reset back to stable state | |
| PASS setLocalDescription(rollback) from stable state should reject with InvalidStateError | |
| PASS setLocalDescription(rollback) after setting answer description should reject with InvalidStateError | |
| PASS setLocalDescription(rollback) should ignore invalid sdp content and succeed | |
| PASS setLocalDescription(rollback) should update internal state with a queued tassk, in the right order | |