Add S3 tests to ensure dot segments are preserved

[jonathan343]

Summary

This PR adds s3 specific tests to ensures the following:

• Leading dot segments in the key value are preserved in the URL path.
  • Example: ../key.txt
• Embedded dot segments in the key value are preserved in the URL path.
  • • Example: foo/../key.txt

[codecov-commenter]

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Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 93.15%. Comparing base (e0f04ab) to head (22a6383).
Report is 49 commits behind head on develop.

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Additional details and impacted files

@@           Coverage Diff            @@
##           develop    #3244   +/-   ##
========================================
  Coverage    93.15%   93.15%           
========================================
  Files           66       66           
  Lines        14287    14287           
========================================
  Hits         13309    13309           
  Misses         978      978           

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[nateprewitt]