ALTER TABLE core_email ADD COLUMN bcc_group_id INT(11) NOT NULL DEFAULT 0;
-- each email template should have a test class with a static method ::test_{name}
-ALTER TABLE core_email CHANGE COLUMN test_class VARCHAR(254) NOT NULL DEFAULT '';
+ALTER TABLE core_email CHANGE COLUMN test_class test_class VARCHAR(254) NOT NULL DEFAULT '';
ALTER TABLE core_email ADD COLUMN test_class VARCHAR(254) NOT NULL DEFAULT '';
ALTER TABLE core_email CHANGE COLUMN in_group to_group_id INT(11) NOT NULL DEFAULT -1;