main.ctype_utf8 test fix for cursor protocol

Cursor protocol requires results to be simple.

Author: grooverdan

mysql-test/main/ctype_utf8.result

@@ -11658,8 +11658,8 @@ Warning	1292	Truncated incorrect INTEGER value: 'яяя'
 # MDEV-28118 Wrong collation of `CAST(.. AS CHAR COLLATE DEFAULT)`
 #
 SET NAMES utf8mb3 COLLATE utf8mb3_bin;
-SELECT COLLATION(CAST('a' AS CHAR COLLATE DEFAULT));
-COLLATION(CAST('a' AS CHAR COLLATE DEFAULT))
+SELECT COLLATION(CAST('a' AS CHAR COLLATE DEFAULT)) AS c1;
+c1
 utf8mb3_general_ci
 CREATE TABLE t1 AS SELECT CAST('a' AS CHAR COLLATE DEFAULT) AS c1;
 SHOW CREATE TABLE t1;

mysql-test/main/ctype_utf8.test

@@ -2544,7 +2544,7 @@ SELECT CAST(_utf8 'яяя' AS INT);
 --echo #
 
 SET NAMES utf8mb3 COLLATE utf8mb3_bin;
-SELECT COLLATION(CAST('a' AS CHAR COLLATE DEFAULT));
+SELECT COLLATION(CAST('a' AS CHAR COLLATE DEFAULT)) AS c1;
 CREATE TABLE t1 AS SELECT CAST('a' AS CHAR COLLATE DEFAULT) AS c1;
 SHOW CREATE TABLE t1;
 DROP TABLE t1;