feat: add -test.race -test.v -test.count -test.timeout flags

[moul]

addresses #3

[github-actions]

Expected release notes (by @moul)

features:
add -test.race -test.v -test.count -test.timeout flags (19fd372)

• I hereby acknowledge these release notes are 🥙 AWESOME 🥙

[codecov]

Codecov Report

Merging #8 into master will increase coverage by 1.38%.
The diff coverage is 26.31%.

@@            Coverage Diff             @@
##           master       #8      +/-   ##
==========================================
+ Coverage   10.90%   12.29%   +1.38%     
==========================================
  Files           1        1              
  Lines         165      179      +14     
==========================================
+ Hits           18       22       +4     
- Misses        147      157      +10     

Flag	Coverage Δ
#unittests	12.29% <26.31%> (+1.38%)	⬆️

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Impacted Files	Coverage Δ
main.go	12.29% <26.31%> (+1.38%)	⬆️

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[github-actions]

🎉 This PR is included in version 1.5.0 🎉

The release is available on GitHub release

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