Galera test failure on MW-328[A|B|C]

galera.MW-328C 'innodb'                  w3 [ fail ]  timeout after 900 seconds

        Test ended at 2018-11-27 10:15:29

Test case timeout after 900 seconds

== /home/jan/mysql/10.2-sst/mysql-test/var/3/log/MW-328C.log == 

CREATE TABLE t1 (f1 INTEGER AUTO_INCREMENT PRIMARY KEY, f2 CHAR(20) DEFAULT 'abc') ENGINE=InnoDB;

INSERT INTO t1 (f1) VALUES (1);

CREATE TABLE t2 (f1 CHAR(20)) ENGINE=InnoDB;

CREATE PROCEDURE proc_update ()

BEGIN

DECLARE CONTINUE HANDLER FOR SQLEXCEPTION BEGIN END;

SET SESSION wsrep_sync_wait = 0;

WHILE 1 DO

UPDATE t1 SET f2 = LEFT(MD5(RAND()), 4);

END WHILE;

END|

connect node_1X, 127.0.0.1, root, , test, $NODE_MYPORT_1;

connection node_1X;

CALL proc_update();;

connection node_2;

SET SESSION wsrep_retry_autocommit = 10000;