public void the_assertion_succeeds_if_notification_is_raised()
        {
            var sut = new NotificationOnAllProperties();

            sut.AssertThatChangeNotificationIsRaisedBy(x=>x.Int)
                .When(() => sut.Int = 99);
        }
        public void an_incomplete_assertion_will_fail()
        {
            var sut = new NotificationOnAllProperties();

            sut.AssertThatChangeNotificationIsRaisedBy(x => x.Int);
        }