ci(BUX-000): add github label "tested"

[dorzepowski]

No description provided.

[codecov]

Codecov Report

Attention: 4 lines in your changes are missing coverage. Please review.

Comparison is base (7d41be3) 54.45% compared to head (1270bc8) 54.45%.
Report is 15 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #573   +/-   ##
=======================================
  Coverage   54.45%   54.45%           
=======================================
  Files         110      110           
  Lines        8353     8353           
=======================================
  Hits         4549     4549           
  Misses       3335     3335           
  Partials      469      469           

Flag	Coverage Δ
unittests	54.45% <20.00%> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Files	Coverage Δ
paymail_service_provider.go	0.00% <0.00%> (ø)
action_paymails.go	49.00% <25.00%> (ø)

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