[autobackport: sssd-2-12] tests: adding gpo test case for traversal bug

[sssd-bot]

This is an automatic backport of PR#8952 tests: adding gpo test case for traversal bug to branch sssd-2-12, created by @danlavu.

Please make sure this backport is correct.

Note

The commits were cherry-picked without conflicts.

You can push changes to this pull request

git remote add sssd-bot git@github.com:sssd-bot/sssd.git
git fetch sssd-bot refs/heads/SSSD-sssd-backport-pr8952-to-sssd-2-12
git checkout SSSD-sssd-backport-pr8952-to-sssd-2-12
git push sssd-bot SSSD-sssd-backport-pr8952-to-sssd-2-12 --force

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Original commits
1e18d9d - tests: adding gpo test case for traversal bug

Backported commits

• 09696cc - tests: adding gpo test case for traversal bug

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Original Pull Request Body

Depends on SSSD/sssd-test-framework#260