Fix test regression caused by MDEV-28933

galera_sr.galera_sr_multirow_rollback 'binlogoff' w4 [ fail ]

        Test ended at 2025-12-09 09:03:32

CURRENT_TEST: galera_sr.galera_sr_multirow_rollback

--- /home/jan/work/mariadb/main/mysql-test/suite/galera_sr/r/galera_sr_multirow_rollback.result	2025-12-03 08:27:21.113938192 +0200

+++ /home/jan/work/mariadb/main/mysql-test/suite/galera_sr/r/galera_sr_multirow_rollback.reject	2025-12-09 09:03:22.450872439 +0200

@@ -108,7 +108,7 @@

 START TRANSACTION;

 INSERT INTO c VALUES (3,1);

 INSERT INTO c VALUES (1,1), (2,2);

-ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (`test`.`c`, CONSTRAINT `c_ibfk_1` FOREIGN KEY (`fk1`) REFERENCES `p` (`id`))

+ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (`test`.`c`, CONSTRAINT `1` FOREIGN KEY (`fk1`) REFERENCES `p` (`id`))

 COMMIT;

 SELECT * FROM p;

 id	j

Result length mismatch