Remove pinned Pester RequiredVersion causing test discovery failure

[Copilot]

CI Test-* jobs failed during Pester discovery with FileLoadException: Could not load file or assembly 'Pester, Version=5.7.1.0'... Assembly with same name is already loaded. The test file pinned an exact Pester version via #Requires, which conflicted with Pester 5.8.0 already loaded by the PSModule/Invoke-Pester action before discovery runs.

Changes

• Removed the #Requires -Modules @{ ModuleName = 'Pester'; RequiredVersion = '5.7.1' } line from tests/PSCustomObject.Tests.ps1.
• Confirmed no other test files in the repo carry a similar exact-version Pester pin.

-#Requires -Modules @{ ModuleName = 'Pester'; RequiredVersion = '5.7.1' }-
[Diagnostics.CodeAnalysis.SuppressMessageAttribute(

The Invoke-Pester action controls the Pester version centrally, so per-repo version pinning is redundant and causes this drift whenever Pester releases a new version. This aligns the test file with PSModule/Template-PSModule and other module repos, which carry no Pester #Requires pin.

[github-actions]

No Significant Changes Detected

This PR does not contain changes to files that would trigger a new release:

Pattern	Description
^src/	Matches files where path matches this pattern
^README\.md$	Matches files where path matches this pattern

Build, test, and publish stages will be skipped for this PR.

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[github-actions]

Super-linter summary

Language	Validation result
CHECKOV	Pass ✅
GITHUB_ACTIONS	Pass ✅
GITLEAKS	Pass ✅
GIT_MERGE_CONFLICT_MARKERS	Pass ✅
MARKDOWN	Pass ✅
NATURAL_LANGUAGE	Pass ✅
POWERSHELL	Pass ✅
PRE_COMMIT	Pass ✅
SPELL_CODESPELL	Pass ✅
TRIVY	Pass ✅
YAML	Pass ✅

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[Copilot]

Pull request overview

Note

Copilot was unable to run its full agentic suite in this review.

This PR updates the PowerShell test file header by removing the explicit Pester module requirement, leaving only the suppression attribute at the top of the file.

Changes:

• Removed #Requires -Modules pin to Pester 5.7.1 from the test file.
• Removed a blank line that separated #Requires from the attribute block.

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