WIP: Autotest

[plexus]

https://nextjournal.com/lambdaisland/kaocha-autotest

Closes #84

[codecov]

Codecov Report

❌ Patch coverage is 95.45455% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 76.10%. Comparing base (fae46ce) to head (a188e75).
⚠️ Report is 846 commits behind head on main.

Files with missing lines	Patch %	Lines
src/kaocha/assertions.clj	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #131      +/-   ##
==========================================
- Coverage   76.52%   76.10%   -0.43%     
==========================================
  Files          45       45              
  Lines        2177     2193      +16     
  Branches      199      186      -13     
==========================================
+ Hits         1666     1669       +3     
- Misses        388      396       +8     
- Partials      123      128       +5     

Flag	Coverage Δ
integration	52.21% <13.63%> (-6.08%)	⬇️
unit	70.17% <95.45%> (+0.12%)	⬆️

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[plexus]

Not sure if there's much here that's still salvagable, but we do still want to get this feature eventually. See also the linked pitch (https://nextjournal.com/lambdaisland/pitch-test-selections) and #284