MDEV-19939: Galera test failure on galera_toi_ddl_fk_insert

Add sync wait to make sure selects see correct consistent db.

mysql-test/suite/galera/disabled.def

@@ -32,7 +32,6 @@ galera_parallel_autoinc_largetrx : MDEV-19746 Galera test failures because of ws
 galera_parallel_autoinc_manytrx : MDEV-19746 Galera test failures because of wsrep_slave_threads identification
 galera_ssl_upgrade : MDEV-19950 Galera test failure on galera_ssl_upgrade
 galera_sst_mariabackup_encrypt_with_key : MDEV-19926 Galera SST tests fail
-galera_toi_ddl_fk_insert : MDEV-19939: Galera test failure on galera_toi_ddl_fk_insert
 galera_var_slave_threads : MDEV-19746 Galera test failures because of wsrep_slave_threads identification
 galera_wan : MDEV-17259: Test failure on galera.galera_wan
 

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

-CREATE TABLE ten (f1 INTEGER) ENGINE=InnoDB;
+CREATE TABLE ten (f1 INTEGER NOT NULL PRIMARY KEY) ENGINE=InnoDB;
 INSERT INTO ten VALUES (1),(2),(3),(4),(5),(6),(7),(8),(9),(10);
 CREATE TABLE parent (
 id INT PRIMARY KEY AUTO_INCREMENT,
-f2 INTEGER,
-KEY (id)
+f2 INTEGER
 ) ENGINE=InnoDB;
 CREATE TABLE child (
 id INT PRIMARY KEY AUTO_INCREMENT,
@@ -23,19 +22,21 @@ connection node_1b;
 connection node_2;
 connection node_2a;
 connection node_1;
-SELECT COUNT(*) = 20001 FROM parent;
-COUNT(*) = 20001
-1
-SELECT COUNT(*) = 10000 FROM child;
-COUNT(*) = 10000
-1
+SET SESSION wsrep_sync_wait=15;
+SELECT COUNT(*) FROM parent;
+COUNT(*)
+20001
+SELECT COUNT(*) FROM child;
+COUNT(*)
+10000
 connection node_2;
-SELECT COUNT(*) = 20001 FROM parent;
-COUNT(*) = 20001
-1
-SELECT COUNT(*) = 10000 FROM child;
-COUNT(*) = 10000
-1
+SET SESSION wsrep_sync_wait=15;
+SELECT COUNT(*) FROM parent;
+COUNT(*)
+20001
+SELECT COUNT(*) FROM child;
+COUNT(*)
+10000
 DROP TABLE child;
 DROP TABLE parent;
 DROP TABLE ten;

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

@@ -6,13 +6,12 @@
 # This test creates a new FK constraint while concurrent INSERTS are running
 #
 
-CREATE TABLE ten (f1 INTEGER) ENGINE=InnoDB;
+CREATE TABLE ten (f1 INTEGER NOT NULL PRIMARY KEY) ENGINE=InnoDB;
 INSERT INTO ten VALUES (1),(2),(3),(4),(5),(6),(7),(8),(9),(10);
 
 CREATE TABLE parent (
     id INT PRIMARY KEY AUTO_INCREMENT,
-    f2 INTEGER,
-    KEY (id)
+    f2 INTEGER
 ) ENGINE=InnoDB;
 
 CREATE TABLE child (
@@ -41,7 +40,6 @@ INSERT INTO parent VALUES (1, 0);
 --let $galera_server_number = 1
 --source include/galera_connect.inc
 --connection node_1b
---sleep 2
 --send ALTER TABLE child ADD FOREIGN KEY (parent_id) REFERENCES parent(id);
 
 --connection node_1a
@@ -57,14 +55,15 @@ INSERT INTO parent VALUES (1, 0);
 --reap
 
 --connection node_1
-SELECT COUNT(*) = 20001 FROM parent;
-SELECT COUNT(*) = 10000 FROM child;
+SET SESSION wsrep_sync_wait=15;
+SELECT COUNT(*) FROM parent;
+SELECT COUNT(*) FROM child;
 
 --connection node_2
-SELECT COUNT(*) = 20001 FROM parent;
-SELECT COUNT(*) = 10000 FROM child;
+SET SESSION wsrep_sync_wait=15;
+SELECT COUNT(*) FROM parent;
+SELECT COUNT(*) FROM child;
 
 DROP TABLE child;
 DROP TABLE parent;
-
 DROP TABLE ten;