Fixed flaky schedule test

[michelvocks]

Fixes #45 . Ping @Skarlso

[codecov-io]

Codecov Report

Merging #66 into master will decrease coverage by 0.14%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master      #66      +/-   ##
==========================================
- Coverage   56.27%   56.13%   -0.15%     
==========================================
  Files          16       16              
  Lines        1418     1418              
==========================================
- Hits          798      796       -2     
- Misses        527      529       +2     
  Partials       93       93

Impacted Files	Coverage Δ
scheduler/scheduler.go	65.51% <0%> (-1.15%)	⬇️

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[Skarlso]

LGTM :)