innodb.result:

  We changed MySQL default isolation yesterday to REPEATABLE READ

mysql-test/r/innodb.result

@@ -988,7 +988,7 @@ BEGIN;
 SET SESSION TRANSACTION ISOLATION LEVEL SERIALIZABLE;
 SELECT @@tx_isolation,@@global.tx_isolation;
 @@tx_isolation	@@global.tx_isolation
-SERIALIZABLE	READ-COMMITTED
+SERIALIZABLE	REPEATABLE-READ
 insert into t1 (code, name) values (1, 'Tim'), (1, 'Monty'), (2, 'David');
 select id, code, name from t1 order by id;
 id	code	name