Add Tests coverage

[mikhail-vl]

No description provided.

[codecov]

Codecov Report

Merging #28 (825e0ed) into master (edffd91) will decrease coverage by 0.66%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master      #28      +/-   ##
==========================================
- Coverage   98.31%   97.65%   -0.67%     
==========================================
  Files          20       21       +1     
  Lines         178      213      +35     
  Branches       38       44       +6     
==========================================
+ Hits          175      208      +33     
- Misses          0        1       +1     
- Partials        3        4       +1     

Impacted Files	Coverage Δ
src/module.ts	100.00% <0.00%> (ø)
src/components/index.ts	100.00% <0.00%> (ø)
src/components/config.tsx	94.44% <0.00%> (ø)

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[mikhail-vl]

Looks good!