[RTCPeerConnection-setRemoteDescription-offer.html]
disabled: https://bugzilla.mozilla.org/show_bug.cgi?id=1401076
[Setting remote description multiple times with different offer should succeed]
expected: FAIL
[setRemoteDescription(offer) with invalid SDP should reject with RTCError]
expected: FAIL
[Calling setRemoteDescription(offer) from have-local-offer state should reject with InvalidStateError]
expected: FAIL