Cleanup code and add old action code

[johlju]

This change is 

[codecov]

Codecov Report

Attention: Patch coverage is 88.88889% with 6 lines in your changes missing coverage. Please review.

Project coverage is 90.98%. Comparing base (7f19e45) to head (278f0bf).
Report is 2 commits behind head on main.

✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
src/runOld.ts	87.75%	5 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #49      +/-   ##
==========================================
- Coverage   93.24%   90.98%   -2.26%     
==========================================
  Files           5        5              
  Lines          74      122      +48     
  Branches       12       24      +12     
==========================================
+ Hits           69      111      +42     
- Misses          5       10       +5     
- Partials        0        1       +1     

Flag	Coverage Δ
unittests	90.98% <88.88%> (-2.26%)	⬇️

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Files with missing lines	Coverage Δ
src/wait.ts	100.00% <100.00%> (ø)
src/runOld.ts	87.75% <87.75%> (ø)