rpl.rpl_semi_sync_wait_point failed in buildbot with timeout in wait condition

rpl.rpl_semi_sync_wait_point 'xtradb'    w3 [ fail ]

        Test ended at 2016-12-23 01:08:30

CURRENT_TEST: rpl.rpl_semi_sync_wait_point

--- /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/mysql-test/suite/rpl/r/rpl_semi_sync_wait_point.result	2016-12-22 22:59:01.420019948 -0500

+++ /home/buildbot/maria-slave/p8-rhel6-bintar-debug/build/mysql-test/suite/rpl/r/rpl_semi_sync_wait_point.reject	2016-12-23 01:08:29.800019948 -0500

@@ -71,11 +71,18 @@

 SET GLOBAL rpl_semi_sync_master_enabled = 1;

 # Go ahead and send the INSERT; it should block.

 INSERT INTO t1 (i) VALUES (3);

+Timeout in wait_condition.inc for SELECT COUNT(*) > 0 AS should_be_true

+FROM information_schema.processlist

+WHERE id = @other_connection_id

+AND state = "Waiting for semi-sync ACK from slave"

+Id	User	Host	db	Command	Time	State	Info	Progress

+3	root	localhost	test	Query	0	init	show full processlist	0.000

+4	root	localhost	test	Query	30	query end	INSERT INTO t1 (i) VALUES (3)	0.000

 # The INSERT thread should now be waiting.

 SELECT state AS should_be_waiting

 FROM information_schema.processlist WHERE id = @other_connection_id;

 should_be_waiting

-Waiting for semi-sync ACK from slave

+query end

 # The insert should NOT be visible to other threads

 SELECT * FROM t1 ORDER BY 1;

 i

mysqltest: Result length mismatch