public void MainWindowBeginGame_NavigatesToGame()
        {
            var mainWindow = new MainWindowViewModel();

            mainWindow.BeginGame.Execute(NumberOfPlayers.Two);
            mainWindow.Content.Should().BeOfType(typeof(GameViewModel));
        }
        public void MainWindowAbandonGame_NavigatesToLaunchMenu()
        {
            var mainWindow = new MainWindowViewModel();

            mainWindow.AbandonGame.Execute(null);
            mainWindow.Content.Should().BeOfType(typeof(LaunchMenuViewModel));
        }
        public void MainWindowInitialState_DefaultsToLaunchMenu()
        {
            var mainWindow = new MainWindowViewModel();

            mainWindow.Content.Should().BeOfType(typeof(LaunchMenuViewModel));
        }