Add stoud check for main tests

[Monnte]

OAMG-10421

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (405820b) 100.00% compared to head (b65a4f8) 100.00%.
Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##              main       #10   +/-   ##
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  Coverage   100.00%   100.00%           
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  Files            1         1           
  Lines          164       165    +1     
=========================================
+ Hits           164       165    +1     

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[andywaltlova]

Good start! I would expect to test main for all possible raise ProcessError in script - failed leapp install/other pkg.

I would probably also check if alert is true or false based on what is expected for each output message.