Refactor write failure composite tests

[vipnydav]

Description

Refactored write failure composite tests to have a single file for common tests of local inode and synced file and fixed dangling pointer issue in TestUnlinkedDirectoryContainingSyncedAndLocalFilesCloseThrowsStaleFileHandleError.

Link to the issue in case of a bug fix.

NA

Testing details

1. Manual - Done
2. Unit tests - NA
3. Integration tests - NA

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 76.07%. Comparing base (4a31463) to head (1b6e3b5).
Report is 1 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2854      +/-   ##
==========================================
- Coverage   76.11%   76.07%   -0.05%     
==========================================
  Files         118      118              
  Lines       16557    16557              
==========================================
- Hits        12603    12596       -7     
- Misses       3423     3430       +7     
  Partials      531      531              

Flag	Coverage Δ
unittests	76.07% <ø> (-0.05%)	⬇️

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