public void given_presenter_when_view_has_not_loaded_should_not_have_patients()
{
var view = Substitute.For<IView>();
var presenter = new Presenter(view);
Assert.That(presenter.Patients, Is.Null);
}
public void given_presenter_when_view_loads_should_load_patients()
{
var view = Substitute.For<IView>();
var presenter = new Presenter(view);
view.Load += Raise.EventWith(EventArgs.Empty);
Assert.That(presenter.Patients, Is.Not.Empty);
}