Add test for storage capability migration determinism

[SupunS]

Depends on #6383

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 41.50%. Comparing base (5ffe36f) to head (5ded3c7).

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #6375      +/-   ##
==========================================
- Coverage   41.52%   41.50%   -0.03%     
==========================================
  Files        2012     2012              
  Lines      143489   143489              
==========================================
- Hits        59584    59550      -34     
- Misses      77732    77761      +29     
- Partials     6173     6178       +5     

Flag	Coverage Δ
unittests	41.50% <ø> (-0.03%)	⬇️

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