--source include/galera_cluster.inc
--source include/have_debug.inc
--source include/have_debug_sync.inc

--let $node_1=node_1
--let $node_2=node_2
--source ../galera/include/auto_increment_offset_save.inc

--connection node_2
call mtr.add_suppression("WSREP: Failed to create/initialize system thread");
SET GLOBAL debug_dbug='+d,wsrep_simulate_failed_connection_1';
--error ER_WRONG_ARGUMENTS
SET GLOBAL wsrep_slave_threads=2;
SELECT @@wsrep_slave_threads;
SET GLOBAL debug_dbug='';
SET GLOBAL wsrep_slave_threads=1;
SELECT @@wsrep_slave_threads;

# MDEV-29878: this test caused a subsequent test to fail
# during shutdown. Do a restart here, to make sure the
# issue is fixed.
--source include/restart_mysqld.inc

--source ../galera/include/auto_increment_offset_restore.inc