
PASS Calling replaceTrack on closed connection should reject with InvalidStateError 
PASS Calling replaceTrack with track of different kind should reject with TypeError 
PASS Calling replaceTrack on stopped sender should reject with InvalidStateError 
PASS Calling replaceTrack on sender with null track and not set to session description should resolve with sender.track set to given track 
PASS Calling replaceTrack on sender not set to session description should resolve with sender.track set to given track 
PASS Calling replaceTrack(null) on sender not set to session description should resolve with sender.track set to null 
PASS Calling replaceTrack(null) on sender set to session description should resolve with sender.track set to null 
PASS Calling replaceTrack on sender with stopped track and and set to session description should resolve with sender.track set to given track 
PASS Calling replaceTrack on sender with similar track and and set to session description should resolve with sender.track set to new track