Exclude tests subpackages from resulting Python wheel

[daa]

Currently uplink wheel contains tests subpackages but shouldn't. It happens because exclude argument to find_packages() function makes setuptools to exclude packages enumerated in that argument but not their subpackages and thus tests.unit and tests.integration appear in the resulting wheel.

Changes proposed in this pull request:

• Exclude tests.* subpackages together with tests.

Attention: @prkumar

[codecov]

Codecov Report

Merging #188 into master will not change coverage.
The diff coverage is n/a.

@@          Coverage Diff          @@
##           master   #188   +/-   ##
=====================================
  Coverage     100%   100%           
=====================================
  Files          41     41           
  Lines        2322   2322           
  Branches      173    173           
=====================================
  Hits         2322   2322

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[prkumar]

LGTM. Good catch, @daa! Thanks for fixing this.