perfschema.threads_mysql fails in buildbot after sequence of tests

perfschema.threads_mysql                 w2 [ fail ]

        Test ended at 2017-03-01 12:42:08

CURRENT_TEST: perfschema.threads_mysql

--- /usr/local/mariadb-10.0.30-linux-x86_64/mysql-test/suite/perfschema/r/threads_mysql.result	2017-03-01 07:49:48.000000000 +0000

+++ /usr/local/mariadb-10.0.30-linux-x86_64/mysql-test/suite/perfschema/r/threads_mysql.reject	2017-03-01 12:42:08.092628135 +0000

@@ -57,16 +57,6 @@

 WHERE name LIKE 'thread/sql%'

   AND thread_id NOT IN (SELECT thread_id FROM t1)

 ORDER BY name;

-name	thread/sql/event_scheduler

-type	FOREGROUND

-processlist_user	root

-processlist_host	localhost

-processlist_db	NULL

-processlist_command	Sleep

-processlist_info	NULL

-unified_parent_thread_id	unified parent_thread_id

-role	NULL

-instrumented	YES

 TRUNCATE t1;

 INSERT INTO t1

 SELECT thread_id FROM performance_schema.threads

@@ -85,6 +75,16 @@

 WHERE name LIKE 'thread/sql%'

   AND thread_id NOT IN (SELECT thread_id FROM t1)

 ORDER BY name;

+name	thread/sql/event_scheduler

+type	FOREGROUND

+processlist_user	root

+processlist_host	localhost

+processlist_db	NULL

+processlist_command	Sleep

+processlist_info	NULL

+unified_parent_thread_id	unified parent_thread_id

+role	NULL

+instrumented	YES

 name	thread/sql/event_worker

 type	FOREGROUND

 processlist_user	root

mysqltest: Result content mismatch

main.events_bugs main.events_restart perfschema.selects perfschema.threads_mysql