public void TestNetwork3()
 {
     NewRandom originalRand = new NewRandom(10);
     Simulation network = new Simulation(originalRand);
     network.ChangeNetworkState();
     Assert.AreEqual(network.ShowState(4), "is healthy.");
 }
        public static string RandomNumberOfDigits(int NumDigits)
        {
            string RandString = "";
            int    NewRandom;

            for (int i = 0; i < NumDigits; i++)
            {
                NewRandom   = RandomNumber(0, 9);
                RandString += NewRandom.ToString();
            }
            return(RandString);
        }