Use TestItems.jl

[JoshuaLampert]

As discussed, I reimplemented the testing workflow by using TestItems.jl and TestItemRunner.jl, see also https://www.julia-vscode.org/docs/stable/userguide/testitems/. This makes local development of tests much more convenient and faster by being able to only run certain test items in VScode. I split up the test suite into multiple files because TestItemRunner.jl uses the file structure to group the different test items.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 90.93%. Comparing base (b79fe28) to head (a124f3a).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #78   +/-   ##
=======================================
  Coverage   90.93%   90.93%           
=======================================
  Files           7        7           
  Lines         353      353           
=======================================
  Hits          321      321           
  Misses         32       32           

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[mikeingold]

Does TestItems just automatically parse all of the other files under the tests directory? I'm surprised there's no need to include them.

[JoshuaLampert]

Does TestItems just automatically parse all of the other files under the tests directory? I'm surprised there's no need to include them.

Yes, exactly.

[mikeingold]

LGTM, thanks!