Tests: add tests for multi functionality

[yonahd]

What this PR does / why we need it?

PR Checklist

• This PR adds K8s exceptions (false positives)
• This PR adds new code
• This PR includes tests for new/existing code
• This PR adds docs

GitHub Issue

Closes [#350 ]

Notes for your reviewers

[codecov-commenter]

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Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 44.43%. Comparing base (4d74db9) to head (a861452).
Report is 2 commits behind head on main.

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Additional details and impacted files

@@            Coverage Diff             @@
##             main     #351      +/-   ##
==========================================
+ Coverage   42.42%   44.43%   +2.00%     
==========================================
  Files          61       61              
  Lines        3241     3241              
==========================================
+ Hits         1375     1440      +65     
+ Misses       1646     1574      -72     
- Partials      220      227       +7     

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