[build-system][tests] Add unittests for MLIR libraries

[erick-xanadu]

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Context: Sometimes we might need to develop our own library in MLIR which is not suitable for testing via passes.

Description of the Change: Add support for adding unittests for MLIR libraries.

Benefits: Tests.

[github-actions[bot]]

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[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 95.82%. Comparing base (340c35e) to head (28de871). Report is 191 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1105   +/-   ##
=======================================
  Coverage   95.82%   95.82%           
=======================================
  Files          80       80           
  Lines        8487     8487           
  Branches      781      781           
=======================================
  Hits         8133     8133           
  Misses        297      297           
  Partials       57       57           

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[erick-xanadu]

Is it possible for CodeFactor to ignore lit.cfg.py?

[dime10]

Is it possible for CodeFactor to ignore lit.cfg.py?

Codefactor is a service that runs a collection of linting and code-quality tools. If you are talking about pylint you should be able to exclude files in the .pylintrc file :)