Galera test failure on galera_rsu_simple

galera.galera_rsu_simple 'innodb'        w2 [ fail ]

        Test ended at 2020-11-08 22:35:50

CURRENT_TEST: galera.galera_rsu_simple

mysqltest: At line 12: query 'ALTER TABLE t1 ADD COLUMN f2 INTEGER' failed: 1146: Table 'test.t1' doesn't exist

The result from queries just before the failure was:

connection node_2;

connection node_1;

CREATE TABLE t1 (f1 INTEGER PRIMARY KEY) Engine=InnoDB;

connection node_2;

SET SESSION wsrep_OSU_method = "RSU";

ALTER TABLE t1 ADD COLUMN f2 INTEGER;

 - saving '/dev/shm/var/2/log/galera.galera_rsu_simple-innodb/' to '/dev/shm/var/log/galera.galera_rsu_simple-innodb/'

Retrying test galera.galera_rsu_simple, attempt(2/3)...

worker[2] > Restart  - not started

worker[2] > Restart  - not started

***Warnings generated in error logs during shutdown after running tests: galera.galera_restart_on_unknown_option galera.galera_rsu_simple galera.galera_roles galera.galera_rsu_error