chore: Update tests to meet conventions (#83)

[gromdimon]

Tasks

• Refactored docs for correct commands with pipenv
• Refactored tests

[codecov]

Codecov Report

Merging #86 (63676f8) into main (63ec6ac) will increase coverage by 1.90%.
The diff coverage is 100.00%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #86      +/-   ##
==========================================
+ Coverage   76.35%   78.25%   +1.90%     
==========================================
  Files          82       83       +1     
  Lines        2182     2198      +16     
  Branches      546      551       +5     
==========================================
+ Hits         1666     1720      +54     
+ Misses        467      436      -31     
+ Partials       49       42       -7     

Files	Coverage Δ
frontend/src/lib/test-utils.ts	100.00% <100.00%> (ø)
frontend/src/stores/svInfo.ts	40.00% <100.00%> (+36.55%)	⬆️

... and 3 files with indirect coverage changes