public void RelaySimpleCommandShouldCallAction()
        {
            var action = Substitute.For<Action>();
            var target = new MVVM.Component.RelaySimpleCommand(action);
            var arg = new object();

            target.Execute(arg);

            action.Received(1).Invoke();
        }
        public void RelaySimpleCommandShouldCallAction()
        {
            var action = Substitute.For <Action>();
            var target = new MVVM.Component.RelaySimpleCommand(action);
            var arg    = new object();

            target.Execute(arg);

            action.Received(1).Invoke();
        }