Update sys_vars.sys_vars_wsrep result.

mysql-test/suite/sys_vars/r/sysvars_wsrep.result

@@ -352,11 +352,11 @@ ENUM_VALUE_LIST	OFF,ON
 READ_ONLY	NO
 COMMAND_LINE_ARGUMENT	OPTIONAL
 VARIABLE_NAME	WSREP_OSU_METHOD
-SESSION_VALUE	NULL
+SESSION_VALUE	TOI
 GLOBAL_VALUE	TOI
 GLOBAL_VALUE_ORIGIN	COMPILE-TIME
 DEFAULT_VALUE	TOI
-VARIABLE_SCOPE	GLOBAL
+VARIABLE_SCOPE	SESSION
 VARIABLE_TYPE	ENUM
 VARIABLE_COMMENT	Method for Online Schema Upgrade
 NUMERIC_MIN_VALUE	NULL