Issue240 make test methods package private

[uweschaefer]

From @uweschaefer on 2018-11-23 16:21:40 +0000 UTC

Copied from original issue: Mercateo/factcast#244

[uweschaefer]

From @codecov[bot] on 2018-11-23 16:27:04 +0000 UTC

Codecov Report

Merging #244 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #244   +/-   ##
=======================================
  Coverage   78.36%   78.36%           
=======================================
  Files          52       52           
  Lines        1368     1368           
  Branches      123      123           
=======================================
  Hits         1072     1072           
  Misses        207      207           
  Partials       89       89

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