MDEV-24699: Added wait condition to make sure table t2 is replicated to node_1.

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

@@ -32,6 +32,9 @@ CREATE TABLE t2 (f1 VARCHAR(255)) Engine=InnoDB;
 INSERT INTO t2 VALUES ('abc');
 
 --connection node_1
+--let $wait_condition = SELECT COUNT(*) = 1 FROM INFORMATION_SCHEMA.INNODB_SYS_TABLES WHERE NAME LIKE 'test/t2';
+--source include/wait_condition.inc
+
 TRUNCATE TABLE t2;
 
 --connection node_2