TST : Run scripts as tests

[emvalbuena]

Eventually I want to have tests that certify the code base and scripts that any user can pick up to use the ROM.

In a way, the tests are the ingredients for the scripts, but I don't to duplicate code.
Additionally, I don't want to check the output of the script, simply that it is running.
Therefore, I should implement something like this to have pytest check that the script is up and running.

[emvalbuena]

This can wait until the code base is a bit more mature, perhaps once that I have already coded the moving domain.

From there onwards, the remaining changes should be internal, not so much in the API.