last second additions for bug#16411

mysql-test/r/events_microsec.result:
  update results
mysql-test/t/events_microsec.test:
  use the newly introduced I_S.PROCESSLIST to check whether the scheduler is running.

mysql-test/r/events_microsec.result

@@ -52,5 +52,8 @@ SET GLOBAL event_scheduler=0;
 SHOW VARIABLES like 'event_scheduler';
 Variable_name	Value
 event_scheduler	OFF
+SELECT COUNT(*) FROM INFORMATION_SCHEMA.PROCESSLIST WHERE USER='event_scheduler';
+COUNT(*)
+0
 DROP EVENT micro_test2;
 drop database events_test;

mysql-test/t/events_microsec.test

@@ -49,6 +49,7 @@ SET GLOBAL event_scheduler=0;
 --sleep 1
 --echo "Should not be running:"
 SHOW VARIABLES like 'event_scheduler';
+SELECT COUNT(*) FROM INFORMATION_SCHEMA.PROCESSLIST WHERE USER='event_scheduler';
 DROP EVENT micro_test2;
 
 drop database events_test;