Fixed test cases that broke because we now print changing of connections

- Don't log connection creation in galera_connect.inc

mysql-test/suite/galera/r/mysql-wsrep#201.result

@@ -1,4 +1,5 @@
 CREATE TABLE t1 (id INT PRIMARY KEY AUTO_INCREMENT) ENGINE=InnoDB;
 INSERT INTO t1 VALUES (DEFAULT);
+connection node_2;
 SET GLOBAL query_cache_size=1355776;
 SET SESSION wsrep_sync_wait = 7;