Test for RealiableStorageLock is flaky

[G-D-Petrov]

Describe the bug

The test for RealiableStorageLock is flaky (e.g. failing run here)
The test is being skipped for now (e.g. here)

Steps/Code to Reproduce

Run test test_many_increments

Expected Results

The test should pass realiably

OS, Python Version and ArcticDB Version

Any Python Version

Backend storage used

AWS S3

Additional Context

No response