/// <summary>
        /// Create test runways
        /// </summary>
        /// <param name="_tower"></param>
        private static void CreateRunways(ITower _tower)
        {
            int numberOfRunways = 0;
            bool repeat = true;
            while (repeat)
            {
                Console.WriteLine();
                Console.WriteLine("Enter the number of Runways at this airport.  Maximum 5");
                string numberOfRunwaysAsString = Console.ReadLine();
                repeat = !int.TryParse(numberOfRunwaysAsString, out numberOfRunways);

                if (numberOfRunways > 5 || numberOfRunways < 1)
                {
                    repeat = true;
                }
            }

            Random _randon = new Random();
            while (numberOfRunways > 0)
            {
                IRunway _runway = ServiceLocator.Resolve<IRunway>();
                _runway.RunwayDesignation = (RunwayDesignation)numberOfRunways;
                _runway.IsRunwayAvailable = true;

                Console.WriteLine("***");
                Console.WriteLine();
                Console.WriteLine("Runway " + _runway.RunwayDesignation + " is currently free for use");
                Console.WriteLine();

                _tower.AddRunways(_runway);

                numberOfRunways--;
            }
        }