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#247.result

@@ -1,3 +1,4 @@
+connection node_1;
 SET GLOBAL wsrep_desync=1;
 SET wsrep_OSU_method=RSU;
 CREATE TABLE t1 (i int primary key);