Refresh DB caches.

common/test/db_cache/bok_choy_schema_student_module_history.sql

@@ -35,7 +35,7 @@ CREATE TABLE `django_migrations` (
   `name` varchar(255) NOT NULL,
   `applied` datetime(6) NOT NULL,
   PRIMARY KEY (`id`)
-) ENGINE=InnoDB AUTO_INCREMENT=120 DEFAULT CHARSET=utf8;
+) ENGINE=InnoDB AUTO_INCREMENT=139 DEFAULT CHARSET=utf8;
 /*!40101 SET character_set_client = @saved_cs_client */;
 /*!40103 SET TIME_ZONE=@OLD_TIME_ZONE */;