test(context): add unit tests

[phm07]

This PR adds tests to the context subcommands using the new configuration system implemented in #736

[codecov]

Codecov Report

Attention: Patch coverage is 69.23077% with 8 lines in your changes missing coverage. Please review.

Project coverage is 59.73%. Comparing base (eacb7dd) to head (3db80fd).

Files	Patch %	Lines
internal/cmd/context/context.go	0.00%	5 Missing ⚠️
internal/state/state.go	0.00%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #755      +/-   ##
==========================================
+ Coverage   59.32%   59.73%   +0.40%     
==========================================
  Files         203      209       +6     
  Lines        7460     7627     +167     
==========================================
+ Hits         4426     4556     +130     
- Misses       2400     2431      +31     
- Partials      634      640       +6     

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