public void Test_NumberGeneration()
        {
            for (int counter = 1; counter <= 100000; counter++)
            {
                SecretNumber secretNum = new SecretNumber();
                int parsedSecretNum = int.Parse(secretNum.ToString());

                bool isValidSecretNum = (parsedSecretNum >= 0 && parsedSecretNum <= 9999);

                bool expectedValue = true;

                Assert.AreEqual(expectedValue, isValidSecretNum);
            }
        }
        public void Test_CheckUserGuess_CorrectGuess()
        {
            SecretNumber sNum = new SecretNumber();

            string guess = sNum.ToString();

            Result guessResult = sNum.CheckUserGuess(guess);

            Assert.AreEqual(4, guessResult.Bulls, "Wrong bullsCount count");
            Assert.AreEqual(0, guessResult.Cows, "Wrong cowsCount count");
        }