Draft: Helper module and script for running generic ART-like test executables with CLI steering

I put together these extra files to make it easier for anybody to run a test similar to the trigger ART build/grid tests, particularly with slice tests in mind (ATR-24229). @rbielski, do you think this is the right way to go? Not sure what other arguments would be particularly useful, maybe the L1 sim flags (toggle, also PhaseI).

It'd also be possible to simplify some of the boilerplate code in the dedicated slice tests, but perhaps there are also reasons to keep a bit more control over e.g. the -c command (seems like we are only selectively using the L1Sim flags there, probably only where relevant, but this will also change in coming weeks/months).

The naming of the executable is perhaps non-ideal, but is required by the test infrastructure.