Test batch_run more extensive in CI

[EwoutH]

We are lacking test coverage of batch_run in CI. Especially more example models using batch_run in CI could be useful.

See projectmesa/mesa-examples#126 and #2183.

[EwoutH]

From the current mesa-examples, these two models use batch_run:

• https://github.com/projectmesa/mesa-examples/blob/main/examples/bank_reserves/batch_run.py
• https://github.com/projectmesa/mesa-examples/blob/main/examples/sugarscape_g1mt/run.py