FIRST CALL:
	access: granted
	msg: 
	err: <nil>
SECOND CALL:
	access: 
	msg: 
	err: rpc error: code = Unknown desc = can't check authentication: broker "BrokerMock": IsAuthenticated already running for session "TestIsAuthenticated/Error_when_calling_second_time_without_cancelling_separator_IA_second_call-session_id"
