connect node_1a, 127.0.0.1, root, , test, $NODE_MYPORT_1;
connect node_1b, 127.0.0.1, root, , test, $NODE_MYPORT_1;
connection node_1;
CREATE TABLE t1 (f1 INTEGER) Engine=InnoDB;
SET GLOBAL wsrep_desync=0;
Warnings:
Warning	1231	'wsrep_desync' is already OFF.
SET wsrep_OSU_method=RSU;
SET DEBUG_SYNC = 'alter_table_before_open_tables WAIT_FOR continue';
ALTER TABLE t1 ADD COLUMN f2 INTEGER;;
connection node_1a;
SET GLOBAL wsrep_desync=1;;
connection node_1b;
SET DEBUG_SYNC= 'now SIGNAL continue';
DROP TABLE t1;
SET GLOBAL wsrep_desync=0;
connection node_1;
connection node_1a;
SET DEBUG_SYNC= 'RESET';