[Experimental] Use [workspace] and ParallelTestRunner.jl

[icweaver]

Hi all, this monorepo seemed like it might be a good use case for the new [workspace] and ParallelTestRunner.jl frameworks, so I thought I'd give it a try. I'm still learning how to use both, so any comments on how this could be improved, or if it even makes sense to use them in this context, is appreciated!

cc @giordano because of your immense help with getting ParallelTestRunner going in Photometry.jl and BackgroundMeshes.jl

What's changed

• bumped LTS to julia v1.10 (can remove from this PR)
• used [workspace] project-wide
• used ParallelTestRunner.jl for sub-package tests
  • refactored tests into their own files to try and take advantage of parallel testing

Wall times for runtest (from test CI)

	main	3f11862	3f11862 / main	speedup
AstrodynamicalCalculations.jl	34s	46s	1.35	❌
AstrodynamicalModels.jl	10m 05s	09m 33s	0.95	✅
AstrodynamicalSolvers.jl	10m 17s	13m 24s	1.30	❌

Things look generally worse so far...

To explore

• Not sure if makes sense, but can ParallelTestRunner also be applied at the top-level to simplify GeneralAstrodynamics.jl/test/runtests.jl and .github/workflows/Tests.yml?
• Pass test args to Tests.yml
• Does [workspace] cause precompilation time to increase significantly?
• Would trying to load balance the tests help with the timings measured in CI?

Todo

• Add some brief dev docs

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 56.43%. Comparing base (e44419b) to head (3f11862).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #277   +/-   ##
=======================================
  Coverage   56.43%   56.43%           
=======================================
  Files          13       13           
  Lines        1212     1212           
=======================================
  Hits          684      684           
  Misses        528      528           

Flag	Coverage Δ
AstrodynamicalCalculations.jl	51.09% <100.00%> (ø)
AstrodynamicalModels.jl	67.97% <ø> (ø)
AstrodynamicalSolvers.jl	64.62% <ø> (ø)
GeneralAstrodynamics.jl	0.00% <ø> (ø)

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