tests: don't fail if can't run riscemu

[superlopuh]

No description provided.

[codecov]

Codecov Report

Patch coverage: 100.00% and project coverage change: -0.02 ⚠️

Comparison is base (9bc2c33) 86.91% compared to head (1c83f19) 86.89%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1099      +/-   ##
==========================================
- Coverage   86.91%   86.89%   -0.02%     
==========================================
  Files         137      137              
  Lines       20576    20591      +15     
  Branches     3109     3110       +1     
==========================================
+ Hits        17883    17893      +10     
- Misses       2178     2182       +4     
- Partials      515      516       +1     

Impacted Files	Coverage Δ
tests/interpreters/test_riscv_emulator.py	100.00% <100.00%> (ø)

... and 2 files with indirect coverage changes

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[tobiasgrosser]

That works for me. Maybe mention why you did not choose to use "REQUIRES:".

[superlopuh]

To be honest I didn't find documentation on how to use it, so I just copied over what we have for the mlir interop tests

[compor]

To be honest I didn't find documentation on how to use it, so I just copied over what we have for the mlir interop tests

https://www.llvm.org/docs/TestingGuide.html#constraining-test-execution