Yet another sporadic failure of multi_source.gtid in buildbot

CURRENT_TEST: multi_source.gtid

--- /usr/local/mariadb-10.0.15-linux-x86_64/mysql-test/suite/multi_source/gtid.result	2014-11-19 15:37:51.000000000 +0100

+++ /usr/local/mariadb-10.0.15-linux-x86_64/mysql-test/suite/multi_source/gtid.reject	2014-11-20 02:59:42.000000000 +0100

@@ -107,26 +107,26 @@

 INSERT INTO t3 VALUES (204, "switch 3 b");

 CHANGE MASTER TO master_port=MYPORT_4, master_host='127.0.0.1', master_user='root', master_use_gtid=current_pos;

 START SLAVE;

+Timeout in wait_condition.inc for SELECT (SELECT COUNT(*) FROM t1)=3 AND (SELECT COUNT(*) FROM t2)=4 AND (SELECT COUNT(*) FROM t3)=7

+Id	User	Host	db	Command	Time	State	Info	Progress

+4	root	localhost:52536	test	Query	0	init	show full processlist	0.000

+11	system user		NULL	Connect	30	Slave has read all relay log; waiting for the slave I/O thread to update it	NULL	0.000

 SELECT * FROM t1 ORDER BY a;

 a	b

 1	initial

 2	switch1

-3	switch 2

 SELECT * FROM t2 ORDER BY a;

 a	b

 1	initial

 2	switch1

 3	switch 2

-4	switch 3

 SELECT * FROM t3 ORDER BY a;

 a	b

 101	initial 1

 102	switch1 a

-103	switch 2 a

 201	initial 2

 202	switch1 b

 203	switch 2 b

-204	switch 3 b

 DROP TABLE t1;

 SET SQL_LOG_BIN=0;

 DROP TABLE t3;

@@ -134,6 +134,10 @@

 DROP TABLE t2;

 DROP TABLE t3;

 SET GLOBAL gtid_domain_id=0;

+Timeout in wait_condition.inc for SELECT COUNT(*)=0 FROM information_schema.tables WHERE table_name IN ("t1", "t2", "t3") AND table_schema = "test"

+Id	User	Host	db	Command	Time	State	Info	Progress

+4	root	localhost:52536	test	Query	0	init	show full processlist	0.000

+11	system user		NULL	Connect	60	Slave has read all relay log; waiting for the slave I/O thread to update it	NULL	0.000

 STOP ALL SLAVES;

 Warnings:

 Note	1938	SLAVE '' stopped

mysqltest: Result length mismatch