build: tests: make tests run verbose

[pared]

Add verbose option to the test build so that we can get more info on failed builds.

[codecov-commenter]

Codecov Report

Merging #126 (fedecf4) into master (8755731) will not change coverage.
The diff coverage is n/a.

❗ Current head fedecf4 differs from pull request most recent head a56144b. Consider uploading reports for the commit a56144b to get more accurate results

@@           Coverage Diff           @@
##           master     #126   +/-   ##
=======================================
  Coverage   87.50%   87.50%           
=======================================
  Files          10       10           
  Lines         256      256           
=======================================
  Hits          224      224           
  Misses         32       32           

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