FakeRoom
constructor(selfId: PeerId = PeerId("self"), initialRole: SessionRole = SessionRole.Host, initialRoster: Set<Member> = emptySet(), initialResumeToken: ResumeToken? = null, channelPolicy: DeliveryPolicy = DeliveryPolicy.Reliable, initialRoomId: RoomId? = if (initialRole == SessionRole.Host) mintFakeRoomId(selfId) else null)