Run some tests with Pkg.test

[tkf]

No description provided.

[codecov]

Codecov Report

Merging #14 (ee3646d) into master (0139870) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master      #14   +/-   ##
=======================================
  Coverage   62.70%   62.70%           
=======================================
  Files           6        6           
  Lines         185      185           
=======================================
  Hits          116      116           
  Misses         69       69           

Flag	Coverage Δ
unittests	62.70% <ø> (ø)

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