tests: add the new "-r" bit to the usual merge hint
CORE-TEST-OUTPUT-UPDATE: 8197b395710e
This is on default because 8197b395710e is on default in core.
All legacy (hg-git based) Projects have been automatically migrated to native with the upgrade of 2025-01-23
CORE-TEST-OUTPUT-UPDATE: 8197b395710e
This is on default because 8197b395710e is on default in core.