[DOP-24570] Add tests for lineage excluding symlinks with no IO

[dolfinus]

Change Summary

#189 was landed without any tests, fixing that.

Related issue number

Checklist

• Commit message and PR title is comprehensive
• Keep the change as small as possible
• Unit and integration tests for the changes exist
• Tests pass on CI and coverage does not decrease
• Documentation reflects the changes where applicable
• docs/changelog/next_release/<pull request or issue id>.<change type>.rst file added describing change
  (see CONTRIBUTING.rst for details.)
• My PR is ready to review.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 91.88%. Comparing base (8dc8bda) to head (2c8c592).
Report is 1 commits behind head on develop.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop     #193   +/-   ##
========================================
  Coverage    91.88%   91.88%           
========================================
  Files          199      199           
  Lines         4954     4954           
  Branches       343      343           
========================================
  Hits          4552     4552           
  Misses         334      334           
  Partials        68       68           

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