Address #2214 Remove BOD warnings from powershell unit tests

[jessco-ecs]

🗣 Description

💭 Motivation and context

🧪 Testing

✅ Pre-approval checklist

• This PR has an informative and human-readable title.
• PR targets the correct parent branch (e.g., main or release-name) for merge.
• Changes are limited to a single goal - eschew scope creep!
• Changes are sized such that they do not touch excessive number of files.
• All future TODOs are captured in issues, which are referenced in code comments.
• These code changes follow the ScubaGear content style guide.
• Related issues these changes resolve are linked preferably via closing keywords.
• All relevant type-of-change labels added.
• All relevant project fields are set.
• All relevant repo and/or project documentation updated to reflect these changes.
• Unit tests added/updated to cover PowerShell and Rego changes.
• Functional tests added/updated to cover PowerShell and Rego changes.
• All automated checks (e.g., linting, static analysis, unit/smoke tests) passed.

✅ Pre-merge checklist

• PR passed smoke test check.

• PR/feature branch passes functional tests for relevant products, if applicable.

• Feature branch has been rebased against changes from parent branch, as needed.

  Use Update branch button below or use this reference to rebase from the command line.

• Resolved all merge conflicts on branch.

• Squash all commits into one PR level commit using the Squash and merge button.

✅ Post-merge checklist

• Feature branch deleted after merge to clean up repository.
• Close issues resolved by this PR if the closing keywords did not activate.
• Verified that all checks pass on parent branch (e.g., main or release-name) after merge.