
PASS Ensuring closed connection getters do not crash 
PASS Ensuring closed connection createOffer does not crash 
PASS Ensuring closed connection createDataChannel does not crash 
PASS Ensuring closed connection addTransceiver does not crash 
PASS Ensuring closed connection addTrack does not crash 
PASS Ensuring closed connection setRemoteDescription does not crash 
PASS Ensuring closed connection setLocalDescription does not crash 
PASS Ensuring closed connection createAnswer does not crash