fix tests

[podtserkovskiy]

No description provided.

[codecov-io]

Codecov Report

Merging #34 into master will increase coverage by 0.71%.
The diff coverage is n/a.

@@            Coverage Diff            @@
##           master     #34      +/-   ##
=========================================
+ Coverage   63.69%   64.4%   +0.71%     
=========================================
  Files          19      21       +2     
  Lines         606     871     +265     
=========================================
+ Hits          386     561     +175     
- Misses        206     267      +61     
- Partials       14      43      +29

Impacted Files	Coverage Δ
storage/mysql/storage.go	66.66% <0%> (ø)
storage/mysql/factory.go	0% <0%> (ø)
pool/pool.go	85.22% <0%> (+4.54%)	⬆️
pool/strategy/persistent/strategy.go	79.24% <0%> (+5.66%)	⬆️
pool/capabilities/comparator.go	100% <0%> (+7.14%)	⬆️
pool/strategy/persistent/nodeHelper.go	100% <0%> (+22.22%)	⬆️

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