Update Repository tests
Edited Repository tests in core, merge application.yml and application-properties, disable Datainitializer for tests
SCHEDULED DOWNTIME: After the upgrade to 18.0.0, GitLab's virtual host needs to be rebooted to increase system resources. The reboot will occur on Tuesday, 2025-09-09, between 8:00 and 9:00 PM.
Edited Repository tests in core, merge application.yml and application-properties, disable Datainitializer for tests