Move demo unit tests to common test step

[speekha]

No description provided.

[codecov]

Codecov Report

Merging #153 (5dcc70b) into develop (897b418) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             develop     #153   +/-   ##
==========================================
  Coverage      92.36%   92.36%           
  Complexity       211      211           
==========================================
  Files             49       49           
  Lines            707      707           
  Branches          69       69           
==========================================
  Hits             653      653           
  Misses            17       17           
  Partials          37       37           

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