Add magic database access to test and test_% and removing the script

from mysql-test-run.

mysql-test/mariadb-test-run.pl

@@ -3132,9 +3132,8 @@ sub mysql_install_db {
       # Append sys schema
       mtr_appendfile_to_file("$gis_sp_path/mysql_sys_schema.sql",
            $bootstrap_sql_file);
-      # Create test database
-      mtr_appendfile_to_file("$sql_dir/mysql_test_db.sql",
-                            $bootstrap_sql_file);
+
+      mtr_tofile($bootstrap_sql_file, "CREATE DATABASE IF NOT EXISTS test CHARACTER SET latin1 COLLATE latin1_swedish_ci;\n");
 
       # mysql.gtid_slave_pos was created in InnoDB, but many tests
       # run without InnoDB. Alter it to Aria now

scripts/mysql_test_db.sql

@@ -15,6 +15,15 @@
 
 CREATE DATABASE IF NOT EXISTS test CHARACTER SET latin1 COLLATE latin1_swedish_ci;
 
+--- Fill "db" table with default grants for anyone to
+--- access database 'test' and 'test_%' if "db" table didn't exist
+INSERT INTO mysql.global_priv VALUES ('', 'PUBLIC', '{"access":0,"is_role":true}');
+CREATE TEMPORARY TABLE tmp_db LIKE db;
+INSERT INTO tmp_db VALUES ('','test','PUBLIC','Y','Y','Y','Y','Y','Y','N','Y','Y','Y','Y','Y','Y','Y','Y','N','N','Y','Y','Y');
+INSERT INTO tmp_db VALUES ('','test\_%','PUBLIC','Y','Y','Y','Y','Y','Y','N','Y','Y','Y','Y','Y','Y','Y','Y','N','N','Y','Y','Y');
+INSERT INTO db SELECT * FROM tmp_db WHERE @had_db_table=0;
+DROP TABLE tmp_db;
+
 -- Anonymous user with no privileges.
 CREATE TEMPORARY TABLE tmp_user_anonymous LIKE global_priv;
 INSERT INTO tmp_user_anonymous (host,user) VALUES ('localhost','');