New granular fuzz tests for storage

[dnkolegov-ar]

This PR contains granular fuzz tests for storage.

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 92.10%. Comparing base (27333b9) to head (bdffbae).

@@           Coverage Diff           @@
##             main    #1851   +/-   ##
=======================================
  Coverage   92.10%   92.10%           
=======================================
  Files         307      307           
  Lines       79643    79643           
=======================================
  Hits        73357    73357           
  Misses       6286     6286           

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