MDEV-8334: Adjust test results

mysql-test/suite/innodb/r/innodb-alter-table.result

@@ -85,7 +85,7 @@ w_findispmon05u	CREATE TABLE `w_findispmon05u` (
   KEY `atpkey` (`f5atpkey`),
   KEY `inatkey` (`f5atzo05`,`pos`),
   KEY `pos` (`pos`,`f5atzo05`)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb3
 DROP TABLE `w_findispmon05u`;
 CREATE TABLE t (
 a INT NOT NULL,

mysql-test/suite/innodb/r/innodb_mysql.result

@@ -1564,7 +1564,7 @@ Table	Create Table
 t1	CREATE TABLE `t1` (
   `a` text DEFAULT NULL,
   KEY `a` (`a`(1024))
-) ENGINE=InnoDB DEFAULT CHARSET=utf8
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb3
 drop table t1;
 CREATE TABLE t1 (
 a INT,