public void RequestAlienInvasion()
        {
            var invasionRunner = new InvasionRunner();

            invasionRunner.InvadeEarthCityWithDefender(UserNames, TypeOfCompetitor, new EarthDefender(), false);
        }
        public void SimulateAlienInvasion()
        {
            var invasionRunner = new InvasionRunner();

            invasionRunner.InvadeEarthCityWithDefender(UserNames, TypeOfCompetitor, new EarthDefender(), true);
        }