Acrescentada cobertura de código

[renzon]

close #23

[codecov-io]

Codecov Report

❗ No coverage uploaded for pull request base (master@4673d49). Click here to learn what that means.
The diff coverage is n/a.

@@          Coverage Diff           @@
##             master   #24   +/-   ##
======================================
  Coverage          ?   30%           
======================================
  Files             ?     3           
  Lines             ?    10           
  Branches          ?     0           
======================================
  Hits              ?     3           
  Misses            ?     7           
  Partials          ?     0

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