Changed mysql-test to print warnings for not existing table to DROP TABLE

Cleaned up test; Removed wrong DROP TABLE commands and use standard table and database names.
changed store_warning() -> push_warning_print()

mysql-test/t/connect.test

@@ -41,7 +41,6 @@ show tables;
 #--error 1045
 
 
-
 # check if old password version also works
 update mysql.user set password=old_password("gambling2") where user="test";
 flush privileges;