chore: improve coverage

[ofrobots]

No description provided.

[codecov-io]

Codecov Report

Merging #57 into master will increase coverage by 3.28%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master      #57      +/-   ##
==========================================
+ Coverage   96.28%   99.57%   +3.28%     
==========================================
  Files           8        8              
  Lines         242      233       -9     
  Branches        7        7              
==========================================
- Hits          233      232       -1     
+ Misses          9        1       -8

Impacted Files	Coverage Δ
test/test-clean.ts	100% <ø> (+2.56%)	⬆️
test/fixtures.ts	100% <ø> (+9.09%)	⬆️
test/test-kitchen.ts	100% <100%> (+6.89%)	⬆️

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