public GetCommandHandlerTests()
        {
            _factory = new MockBindingFactory();
            _command = Substitute.For <ICommand>();

            var obj = new StubProducer();

            _e = new StubEvent(obj, nameof(obj.SimpleEvent));
        }
        public GetCommandHandlerGenericTEventArgsTests()
        {
            _factory = new MockBindingFactory();
            _command = Substitute.For <ICommand <string> >();

            var obj = new StubProducer();

            _e = new StubEvent(obj, nameof(obj.GenericStringEvent));
        }