[Appveyor] Assign all DB roles at one time.

Author: metaskills

test/appveyor/dbsetup.sql

@@ -3,10 +3,9 @@ CREATE DATABASE [activerecord_unittest2];
 GO
 CREATE LOGIN [rails] WITH PASSWORD = '', CHECK_POLICY = OFF, DEFAULT_DATABASE = [activerecord_unittest];
 GO
-EXEC sp_addrolemember N'sysadmin', N'rails';
-GO
 USE [activerecord_unittest];
 CREATE USER [rails] FOR LOGIN [rails];
 GO
 EXEC sp_addrolemember N'db_owner', N'rails';
+EXEC sp_addrolemember N'sysadmin', N'rails';
 GO