Backport refactoring ostree upgrade tests 2022dev1 -> v2021pre (!23) · Merge requests · tests / aum-offline-upgrade

🔴 v2023.5 entered Hard Code Freeze, changes will not be accepted • schedule

🟠 v2024.1 entered Soft Code Freeze/Hard Feature Freeze, only bug fixes will be accepted • schedule

🟡 v2025dev2 entered Soft Feature Freeze, no additional features will be accepted • schedule