chore: add unit tests

[eddycharly]

Explanation

Add unit tests.

[codecov]

Codecov Report

Attention: Patch coverage is 20.32710% with 341 lines in your changes missing coverage. Please review.

Project coverage is 67.46%. Comparing base (bc40b1f) to head (2fafca6).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
pkg/runner/operations/factory.go	0.00%	194 Missing ⚠️
pkg/runner/runner.go	45.10%	88 Missing and 13 partials ⚠️
pkg/runner/context/legacy.go	0.00%	46 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2241      +/-   ##
==========================================
- Coverage   71.94%   67.46%   -4.48%     
==========================================
  Files         133      133              
  Lines        6583     6520      -63     
==========================================
- Hits         4736     4399     -337     
- Misses       1539     1879     +340     
+ Partials      308      242      -66     

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