Bug#22838596: RPL.RPL_KEY_ROTATION TEST UNSTABLE

Description: Replaced a sleep call with call to
             sync client with master.

Author: harinvadodaria

mysql-test/suite/rpl/r/rpl_key_rotation.result

@@ -98,6 +98,7 @@ PLUGIN_NAME	keyring_file
 PLUGIN_VERSION	1.0
 PLUGIN_STATUS	ACTIVE
 include/start_slave_sql.inc
+include/sync_slave_sql_with_master.inc
 SELECT * FROM t4;
 c1	c2
 1	rpltest

mysql-test/suite/rpl/t/rpl_key_rotation.test

@@ -105,7 +105,8 @@ eval SET @@global.keyring_file_data='$MYSQL_TMP_DIR/keyring_slave/keyring_slave'
 query_vertical SELECT PLUGIN_NAME,PLUGIN_VERSION,PLUGIN_STATUS
 FROM INFORMATION_SCHEMA.PLUGINS WHERE plugin_name='keyring_file';
 --source include/start_slave_sql.inc
---sleep 2
+--connection master
+--source include/sync_slave_sql_with_master.inc
 SELECT * FROM t4;
 
 --connection master