rpl.rpl_slave_alias_replica failed in buildbot with wrong result

rpl.rpl_slave_alias_replica 'innodb,stmt' w4 [ fail ]

        Test ended at 2020-06-12 09:52:25

CURRENT_TEST: rpl.rpl_slave_alias_replica

--- /usr/local/mariadb-10.5.4-linux-x86_64/mysql-test/suite/rpl/r/rpl_slave_alias_replica.result	2020-06-12 08:30:32.000000000 +0000

+++ /usr/local/mariadb-10.5.4-linux-x86_64/mysql-test/suite/rpl/r/rpl_slave_alias_replica.reject	2020-06-12 09:52:25.191267945 +0000

@@ -22,6 +22,7 @@

 SHOW REPLICA HOSTS;

 Server_id	Host	Port	Master_id

 2	127.0.0.1	SLAVE_PORT	1

+2	127.0.0.1	SLAVE_PORT	1

 DROP USER 'repl_user';

 connection slave;

 "Command: SHOW SLAVE IO/SQL THREAD --> SHOW REPLICA IO/SQL THREAD"

mysqltest: Result length mismatch