Tests involving simulations fail randomly.

• test failed: https://github.com/scafi/scafi/runs/3966460660?check_suite_focus=true#stecherp:4:1790
• test passed: https://github.com/scafi/scafi/runs/3965384323?check_suite_focus=true

This problem could be linked to:

• misconfiguration of some simulation seeds
• time abstraction: currently, the time in the simulator is mapped with the time passed locally. This could lead to non-reproducible results due to the non-determinism of JVM: