⚙️ [Maintenance]: Require Pester 6.x in test files

[Marius Storhaug (MariusStorhaug)]

Pester tests in this module now require the Pester 6.x major version, so every contributor and CI run resolves the same major and a new Pester major can't slip in and break the suite. The tests previously declared no framework requirement and ran on whatever Pester happened to be installed.

Changed: tests are locked to the Pester 6.x major

Every *.Tests.ps1 file now starts with a version-bounded requirement:

#Requires -Modules @{ ModuleName = 'Pester'; ModuleVersion = '6.0.0'; MaximumVersion = '6.*' }

Any Pester 6.x satisfies it, so minor and patch releases flow in automatically while moving to a new major stays a deliberate, reviewed change. No module source or behaviour changes.

Technical Details

• Prepends a #Requires -Modules statement to each test file under tests/; non-test files are untouched.
• ModuleVersion = '6.0.0' is the floor and MaximumVersion = '6.*' the wildcard major ceiling. Module-identity (GUID) pinning is intentionally omitted — it is a separate supply-chain control, not part of the lock-to-major risk appetite.
• The install side is locked to the same major in ⚙️ [Maintenance]: Lock Pester to the 6.x major version Invoke-Pester#70. Part of the dependency-management epic Dependency management for PowerShell scripts and modules Process-PSModule#356.

[Copilot]

Pull request overview

This PR aims to standardize test execution by adding an explicit Pester dependency requirement to all PowerShell test scripts in the repo, ensuring the tests run only with Pester 6.x and the expected module identity.

Changes:

• Added #Requires -Modules to each test file to require the Pester module at >= 6.0.0.
• Attempted to lock tests to the Pester 6.x major version via MaximumVersion.
• Added the Pester module GUID to pin module identity.

Reviewed changes

Copilot reviewed 7 out of 7 changed files in this pull request and generated 7 comments.

Show a summary per file

File	Description
Tests/AzureDevOps.VariableGroups/AzureDevOps.VariableGroups.Tests.ps1	Adds a Pester #Requires directive at the top of the test file.
Tests/AzureDevOps.Tests.ps1	Adds a Pester #Requires directive to the root test file.
Tests/AzureDevOps.Packaging/AzureDevOps.Packaging.Tests.ps1	Adds a Pester #Requires directive for the packaging tests.
Tests/AzureDevOps.Common/Public/Invoke-AzureDevOpsRestMethod.Tests.ps1	Adds a Pester #Requires directive for the public function test.
Tests/AzureDevOps.Common/AzureDevOps.Common.Tests.ps1	Adds a Pester #Requires directive for the common module tests.
Tests/AzureDevOps.Account/Public/Add-AzureDevOpsAccount.Tests.ps1	Adds a Pester #Requires directive for the public function test.
Tests/AzureDevOps.Account/AzureDevOps.Account.Tests.ps1	Adds a Pester #Requires directive for the account module tests.

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