MDEV-20928 : Galera test failure on galera.galera_var_innodb_disallow_writes:...

MDEV-20928 : Galera test failure on galera.galera_var_innodb_disallow_writes: Result length mismatch

Add wait_conditions to force desired execution.

mysql-test/suite/galera/disabled.def

@@ -23,7 +23,6 @@ galera_parallel_simple : MDEV-20318 galera.galera_parallel_simple fails
 galera_shutdown_nonprim : MDEV-21493 galera.galera_shutdown_nonprim
 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_var_innodb_disallow_writes : MDEV-20928 galera.galera_var_innodb_disallow_writes
 galera_var_node_address : MDEV-20485 Galera test failure
 galera_wan : MDEV-17259 Test failure on galera.galera_wan
 partition : MDEV-19958 Galera test failure on galera.partition

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

+connect node_1a, 127.0.0.1, root, , test, $NODE_MYPORT_1;
 connection node_1a;
 SET SESSION wsrep_sync_wait = 0;
 connection node_1;
@@ -5,19 +6,20 @@ CREATE TABLE t1 (f1 INTEGER) Engine=InnoDB;
 SET GLOBAL innodb_disallow_writes=ON;
 INSERT INTO t1 VALUES (1);;
 connection node_1a;
-SELECT COUNT(*) = 1 FROM t1;
-COUNT(*) = 1
+SELECT COUNT(*) AS EXPECT_0 FROM t1;
+EXPECT_0
 0
-SELECT COUNT(*) = 1 FROM t1;
-COUNT(*) = 1
+SELECT COUNT(*) AS EXPECT_0 FROM t1;
+EXPECT_0
 0
 SET GLOBAL innodb_disallow_writes=OFF;
 connection node_1;
-SELECT COUNT(*) = 1 FROM t1;
-COUNT(*) = 1
+SELECT COUNT(*) AS EXPECT_1 FROM t1;
+EXPECT_1
 1
 connection node_2;
-SELECT COUNT(*) = 1 FROM t1;
-COUNT(*) = 1
+SELECT COUNT(*) AS EXPECT_1 FROM t1;
+EXPECT_1
 1
 DROP TABLE t1;
+disconnect node_1a;

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

@@ -3,12 +3,9 @@
 #
 
 --source include/galera_cluster.inc
---source include/have_innodb.inc
 
 # Open a separate connection to be used to run SHOW PROCESSLIST
---let $galera_connection_name = node_1a
---let $galera_server_number = 1
---source include/galera_connect.inc
+--connect node_1a, 127.0.0.1, root, , test, $NODE_MYPORT_1
 --connection node_1a
 SET SESSION wsrep_sync_wait = 0;
 
@@ -18,18 +15,27 @@ SET GLOBAL innodb_disallow_writes=ON;
 --send INSERT INTO t1 VALUES (1);
 
 --connection node_1a
-SELECT COUNT(*) = 1 FROM t1;
-let $wait_condition = SELECT 1 FROM INFORMATION_SCHEMA.PROCESSLIST WHERE INFO = 'INSERT INTO t1 VALUES (1)' AND State = 'query end';
+--let $wait_condition = SELECT COUNT(*) = 1 FROM INFORMATION_SCHEMA.INNODB_SYS_TABLES WHERE NAME LIKE 'test/t1';
 --source include/wait_condition.inc
-SELECT COUNT(*) = 1 FROM t1;
+SELECT COUNT(*) AS EXPECT_0 FROM t1;
+let $wait_condition = SELECT 1 FROM INFORMATION_SCHEMA.PROCESSLIST WHERE INFO = 'INSERT INTO t1 VALUES (1)';
+--source include/wait_condition.inc
+SELECT COUNT(*) AS EXPECT_0 FROM t1;
 
 SET GLOBAL innodb_disallow_writes=OFF;
 
 --connection node_1
 --reap
-SELECT COUNT(*) = 1 FROM t1;
+SELECT COUNT(*) AS EXPECT_1 FROM t1;
 
 --connection node_2
-SELECT COUNT(*) = 1 FROM t1;
+--let $wait_condition = SELECT COUNT(*) = 1 FROM INFORMATION_SCHEMA.INNODB_SYS_TABLES WHERE NAME LIKE 'test/t1';
+--source include/wait_condition.inc
+--let $wait_condition = SELECT COUNT(*) = 1 FROM t1;
+--source include/wait_condition.inc
+SELECT COUNT(*) AS EXPECT_1 FROM t1;
 
 DROP TABLE t1;
+
+--disconnect node_1a
+