public void MulticastPoco()
        {
            var testingPoco = new TestingEventPoco();

            testingPoco.MyEvent += TestingListener.AnotherStandardCallback;
            testingPoco.MyEvent += TestingListener.StandardCallback;
            EventApprovals.VerifyEvents(testingPoco);
        }
        public void UnicastPoco()
        {
            var testingPoco = new TestingEventPoco();

            testingPoco.MyEvent         += TestingListener.StandardCallback;
            testingPoco.PropertyChanged += TestingListener.PropertyChangedCallback;
            EventApprovals.VerifyEvents(testingPoco);
        }