Fix of .test and .result file for Bug#33558 - stress.ddl_csv requires nullable...

Fix of .test and .result file for Bug#33558 - stress.ddl_csv requires nullable columns which CSV does not support

mysql-test/r/csv_not_null.result

@@ -36,8 +36,6 @@ ERROR HY000: Field 'a' doesn't have a default value
 DROP TABLE t1;
 # ===== csv_not_null.3 =====
 DROP TABLE IF EXISTS t1;
-CREATE DATABASE csv_not_null_test;
-USE csv_not_null_test;
 CREATE TABLE t1 (a int NOT NULL, b char(10) NOT NULL) ENGINE = CSV;
 INSERT INTO t1 VALUES();
 Warnings:

mysql-test/t/csv_not_null.test

@@ -89,8 +89,6 @@ DROP TABLE t1;
 DROP TABLE IF EXISTS t1;
 --enable_warnings
 
-CREATE DATABASE csv_not_null_test;
-USE csv_not_null_test;
 
 CREATE TABLE t1 (a int NOT NULL, b char(10) NOT NULL) ENGINE = CSV;
 INSERT INTO t1 VALUES();