public void CorrectRequestForMigrate()
        {
            var factory = Substitute.For <IConnection>();
            var client  = new DatabasesClient(factory);

            var migrate = new Models.Requests.MigrateDatabase();

            client.Migrate("1", migrate);

            var parameters = Arg.Is <List <Parameter> >(list => (string)list[0].Value == "1");

            factory.Received().ExecuteRaw("databases/{id}/migrate", parameters, migrate, Method.POST);
        }