feat(consistent symlink): add integration tests for ReadSymlink changes

[anushka567]

Description

Link to the issue in case of a bug fix.

Testing details

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

Any backward incompatible change? If so, please explain.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 0.00%. Comparing base (5ac6be4) to head (817bec8).

Additional details and impacted files

@@                   Coverage Diff                    @@
##           read-symlink-updated   #4436       +/-   ##
========================================================
- Coverage                 83.49%       0   -83.50%     
========================================================
  Files                       163       0      -163     
  Lines                     19963       0    -19963     
========================================================
- Hits                      16669       0    -16669     
+ Misses                     2663       0     -2663     
+ Partials                    631       0      -631     

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