CONNECT: fix the test to use tcp not unix socket

(socket connection ignores the port and CONNECT connects to the wrong host)

storage/connect/mysql-test/connect/r/tbl_thread.result

@@ -37,7 +37,7 @@ a	b
 11	test11
 connection default;
 CREATE TABLE t2 ENGINE=CONNECT TABLE_TYPE=MYSQL
-CONNECTION='mysql://root@localhost:MASTER_PORT/test/rt2';
+CONNECTION='mysql://root@127.0.0.1:MASTER_PORT/test/rt2';
 SELECT * FROM t2;
 a	b
 4	test04
@@ -45,7 +45,7 @@ a	b
 6	test06
 7	test07
 CREATE TABLE t3 ENGINE=CONNECT TABLE_TYPE=MYSQL
-CONNECTION='mysql://root@localhost:SLAVE_PORT/test/rt3';
+CONNECTION='mysql://root@127.0.0.1:SLAVE_PORT/test/rt3';
 SELECT * FROM t3;
 a	b
 8	test08

storage/connect/mysql-test/connect/t/tbl_thread.test

@@ -28,12 +28,12 @@ connection default;
 
 --replace_result $MASTER_MYPORT MASTER_PORT
 eval CREATE TABLE t2 ENGINE=CONNECT TABLE_TYPE=MYSQL
-CONNECTION='mysql://root@localhost:$MASTER_MYPORT/test/rt2';
+CONNECTION='mysql://root@127.0.0.1:$MASTER_MYPORT/test/rt2';
 SELECT * FROM t2;
 
 --replace_result $SLAVE_MYPORT SLAVE_PORT
 eval CREATE TABLE t3 ENGINE=CONNECT TABLE_TYPE=MYSQL
-CONNECTION='mysql://root@localhost:$SLAVE_MYPORT/test/rt3';
+CONNECTION='mysql://root@127.0.0.1:$SLAVE_MYPORT/test/rt3';
 SELECT * FROM t3;
 
 --replace_result $PORT PORT