Add unit tests for AdminDelegation command and AuthorizedGroupService

[printminion-co]

Summary

• php unitests are testing occ admin-delegation:add in order to extend admin-delegation functionality later

occ admin-delegation:add OCA\\DAV\\Settings\\CalDAVSettings group1 

Checklist

• Code is properly formatted
• Sign-off message is added to all commits
• Tests (unit, integration, api and/or acceptance) are included
• Screenshots before/after for front-end changes
• Documentation (manuals or wiki) has been updated or is not required
• Backports requested where applicable (ex: critical bugfixes)
• Labels added where applicable (ex: bug/enhancement, 3. to review, feature component)
• Milestone added for target branch/version (ex: 32.x for stable32)

[Copilot]

Pull Request Overview

This PR adds comprehensive unit tests for the AdminDelegation Add command and AuthorizedGroupService to support future functionality extensions. The tests validate the core delegation functionality including permission creation, input validation, and error handling scenarios.

Key changes:

• Added unit tests for AuthorizedGroupService covering group-class relationship validation
• Added unit tests for AdminDelegation Add command covering success and error scenarios
• Implemented reflection-based testing approach for protected command execution methods

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
apps/settings/tests/Service/AuthorizedGroupServiceTest.php	Tests for AuthorizedGroupService validating creation of authorized groups with different group/class combinations
apps/settings/tests/Command/AdminDelegation/AddTest.php	Tests for AdminDelegation Add command covering successful delegation, invalid setting classes, and non-existent groups

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[provokateurin]

LGTM, just two minor things that you might want to change.

[printminion-co]

I assume with 3 review ok - it can be merged to master @come-nc

[printminion-co]

/backport to stable31

[backportbot]

The backport to stable31 failed. Please do this backport manually.

# Switch to the target branch and update it
git checkout stable31
git pull origin stable31

# Create the new backport branch
git checkout -b backport/55676/stable31

# Cherry pick the change from the commit sha1 of the change against the default branch
# This might cause conflicts, resolve them
git cherry-pick b0413be6 42758251

# Push the cherry pick commit to the remote repository and open a pull request
git push origin backport/55676/stable31

Error: Failed to push branch backport/55676/stable31: remote: Invalid username or token. Password authentication is not supported for Git operations.
fatal: Authentication failed for 'https://github.com/nextcloud/server.git/'

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Learn more about backports at https://docs.nextcloud.com/server/stable/go.php?to=developer-backports.

[github-actions]

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[artonge]

/backport to stable32