Update TestConfig.cs

Author: mythz

tests/ServiceStack.OrmLite.Tests.Setup/TestConfig.cs

@@ -2,7 +2,11 @@
 using System.Collections.Generic;
 using System.ComponentModel;
 using System.Data;
+using System.Data.Common;
+using System.Data.SqlClient;
+using System.IO;
 using System.Linq;
+using ServiceStack.Text;
 
 namespace ServiceStack.OrmLite.Tests
 {