Refactoring smoke tests

[slavkap]

Description

This PR refactors StorPool's smoke tests

Types of changes

• Breaking change (fix or feature that would cause existing functionality to change)
• New feature (non-breaking change which adds functionality)
• Bug fix (non-breaking change which fixes an issue)
• Enhancement (improves an existing feature and functionality)
• Cleanup (Code refactoring and cleanup, that may add test cases)
• build/CI
• test (unit or integration test code)

How did you try to break this feature and the system with this change?

Executed all tests on the latest main branch

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 3.90%. Comparing base (16c60c7) to head (4e0565d).
Report is 15 commits behind head on main.

❗ There is a different number of reports uploaded between BASE (16c60c7) and HEAD (4e0565d). Click for more details.

HEAD has 1 upload less than BASE

Flag	BASE (16c60c7)	HEAD (4e0565d)
unittests	1	0

Additional details and impacted files

@@              Coverage Diff              @@
##               main   #11107       +/-   ##
=============================================
- Coverage     16.57%    3.90%   -12.67%     
=============================================
  Files          5743      414     -5329     
  Lines        510494    33743   -476751     
  Branches      62075     6065    -56010     
=============================================
- Hits          84617     1319    -83298     
+ Misses       416415    32266   -384149     
+ Partials       9462      158     -9304     

Flag	Coverage Δ
uitests	3.90% <ø> (+<0.01%)	⬆️
unittests	?

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[sureshanaparti]

@slavkap can you check the license / lint errors.

[DaanHoogland]

might make sense to add this to the rat exclusion list (or add a license)