revising the windsor mvc controller factory

[Observations]
public class when_a_known_controller_is_requested_from_the_windsor_controller_factory :
  observations_for_a_sut_with_a_contract<IControllerFactory, WindsorControllerFactory>
{
    private static Type controllerType;
    private static IController returnedController;
    private static IWindsorContainer container;

    private context c = () =>
                            {
                                controllerType = typeof (FakeController);
                                container = new WindsorContainer();
                                container.AddComponentLifeStyle(controllerType.Name,
                                    controllerType, LifestyleType.Transient);
                            };

    public override IControllerFactory create_sut()
    {
        return new WindsorControllerFactory(container);
    }

    private because b = () => returnedController = sut.CreateController(null,
                                                                      controllerType.Name);

    [Observation]
    public void should_return_an_instance_of_the_controller()
    {
        returnedController.should_not_be_null();
    }

    [Observation]
    public void should_return_the_correct_controller()
    {
        returnedController.should_be_an_instance_of<FakeController>();
    }
}