Mackenzie/add wet run testing

[mackenziesnyder]

Proposed changes

Describe the changes implemented in this pull request. If the changes fix a bug or resolves a feature request, be sure to link the issue. Please explain the issue and how the changes address the issue.

Types of changes

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• Bugfix (non-breaking change which fixes an issue)
• [x ] New feature (non-breaking change which adds functionalitiy)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Other (if none of the other choices apply)

Checklist

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• Changes have been tested to ensure that fix is effective or that a feature works.
• Changes pass the unit tests
• Code has been run through the poe quality task
• I have included necessary documentation or comments (as necessary)
• Any dependent changes have been merged and published

Notes

All PRs will undergo the unit testing before being reviewed. You may be requested to explain or make additional changes before the PR is accepted.

• this pr adds wet run testing as a github action to labelmerge
• i use a cortical and subcortical file for the testing
• for issue Add wetrun testing to the labelmerge workflow #69

[Dhananjhay]

Beauty!