Tests | Disable flaky tests

[MichelZ]

To make builds more reliable I think it's good practice to disable flaky tests until the issues are resolved.
The tests have been marked with an ActiveIssue in code

Issue: #3031

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 72.62%. Comparing base (1348c3c) to head (5b9d3af).
Report is 71 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3033      +/-   ##
==========================================
- Coverage   72.67%   72.62%   -0.06%     
==========================================
  Files         285      285              
  Lines       59160    59160              
==========================================
- Hits        42997    42963      -34     
- Misses      16163    16197      +34     

Flag	Coverage Δ
addons	92.58% <ø> (ø)
netcore	75.33% <ø> (-0.11%)	⬇️
netfx	71.07% <ø> (+<0.01%)	⬆️

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