MDEV-18280: Galera test failure on galera_split_brain and galera_kill_nochanges

mysql-test/suite/galera/disabled.def

@@ -26,13 +26,11 @@ galera_encrypt_tmp_files : Get error failed to enable encryption of temporary fi
 galera_ftwrl : MDEV-21525 galera.galera_ftwrl
 galera_gcache_recover_manytrx : MDEV-18834 Galera test failure
 galera_kill_largechanges : MDEV-18179 Galera test failure on galera.galera_kill_largechanges
-galera_kill_nochanges : MDEV-18280 Galera test failure on galera_split_brain and galera_kill_nochanges
 galera_many_tables_nopk : MDEV-18182 Galera test failure on galera.galera_many_tables_nopk
 galera_mdl_race : MDEV-21524 galera.galera_mdl_race
 galera_parallel_simple : MDEV-20318 galera.galera_parallel_simple fails	
 galera_pc_ignore_sb : MDEV-20888 galera.galera_pc_ignore_sb
 galera_shutdown_nonprim : MDEV-21493 galera.galera_shutdown_nonprim
-galera_split_brain : MDEV-18280 Galera test failure on galera_split_brain and galera_kill_nochanges
 galera_ssl_upgrade : MDEV-19950 Galera test failure on galera_ssl_upgrade
 galera_sst_mariabackup_encrypt_with_key : MDEV-21484 galera_sst_mariabackup_encrypt_with_key
 galera_toi_ddl_nonconflicting : MDEV-21518 galera.galera_toi_ddl_nonconflicting

mysql-test/suite/galera/r/galera_kill_nochanges.result

+connection node_2;
+connection node_1;
 connection node_1;
 connection node_2;
 connection node_1;

mysql-test/suite/galera/r/galera_split_brain.result

+connection node_2;
+connection node_1;
 connection node_1;
 connection node_2;
 call mtr.add_suppression("WSREP: TO isolation failed for: ");
@@ -6,7 +8,7 @@ connection node_2;
 Killing server ...
 connection node_1;
 CREATE TABLE t1 (f1 INTEGER) ENGINE=InnoDB;
-ERROR 40001: WSREP replication failed. Check your wsrep connection state and retry the query.
+ERROR 40001: Deadlock found when trying to get lock; try restarting transaction
 connection node_2;
 connect node_2a, 127.0.0.1, root, , test, $NODE_MYPORT_2;
 disconnect node_2;

mysql-test/suite/galera/t/galera_split_brain.test

@@ -26,18 +26,13 @@ call mtr.add_suppression("WSREP: TO isolation failed for: ");
 CREATE TABLE t1 (f1 INTEGER) ENGINE=InnoDB;
 
 # Reset the master and restart the slave so that post-test checks can run
-
-
 --connection node_2
 --source include/start_mysqld.inc
---sleep 5
 --source include/wait_until_connected_again.inc
 
 --let $wait_condition = SELECT VARIABLE_VALUE = 2 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_cluster_size'
 --source include/wait_condition.inc
 
---sleep 10
-
 --connect node_2a, 127.0.0.1, root, , test, $NODE_MYPORT_2
 --source include/wait_until_connected_again.inc
 
@@ -46,4 +41,3 @@ CREATE TABLE t1 (f1 INTEGER) ENGINE=InnoDB;
 --source include/auto_increment_offset_restore.inc
 
 --source include/galera_end.inc
-