It's possible, as Procedure manager, to test a procedure not to be confronted with a dysfunction when the procedure will be executed in real situtation.
The procedure will be executed as a real launch but there will be a difference: none message will be sent. 
All these functionnalies, accessible as a real launching, are available:
- Simulate procedure (launch a procedure)
- Simulation follow-up (procedure follow-up)
- Simulation history (History)
A label is added in the name of the procedure, that allow you to know that you are in a simulation context: