check that all system tables deleted added

mysql-test/r/system_mysql_db.result

@@ -126,3 +126,5 @@ columns_priv	CREATE TABLE `columns_priv` (
   `Column_priv` set('Select','Insert','Update','References') NOT NULL default '',
   PRIMARY KEY  (`Host`,`Db`,`User`,`Table_name`,`Column_name`)
 ) ENGINE=MyISAM DEFAULT CHARSET=latin1 COMMENT='Column privileges'
+show tables;
+Tables_in_test

mysql-test/t/system_mysql_db.test

@@ -6,3 +6,8 @@
 use mysql;
 -- enable_query_log
 -- source include/system_db_struct.inc
+-- disable_query_log
+use test;
+-- enable_query_log
+# keep results same with system_mysql_db_fix
+show tables;

mysql-test/t/system_mysql_db_fix.test

@@ -68,15 +68,9 @@ INSERT INTO user VALUES ('localhost','',    '','N','N','N','N','N','N','N','N','
 
 -- disable_query_log
 
-DROP TABLE db;
-DROP TABLE host;
-DROP TABLE user;
-DROP TABLE func;
-DROP TABLE tables_priv;
-DROP TABLE columns_priv;
-DROP TABLE help_category;
-DROP TABLE help_keyword;
-DROP TABLE help_relation;
-DROP TABLE help_topic;
+DROP TABLE db, host, user, func, tables_priv, columns_priv, help_category, help_keyword, help_relation, help_topic, time_zone, time_zone_leap_second, time_zone_name, time_zone_transition, time_zone_transition_type;
 
 -- enable_query_log
+
+# check that we droped all system tables
+show tables;