public void ParseSerialNumber_given_invalid_year_throws_new_ArgumentException(int year)
        {
            //Arrange
            var serialParser = new SerialNumberParser();

            //Act
            //Assert
            Assert.Throws <ArgumentException>(() => serialParser.Parse(year, 2));
        }
        public void ParseSerialNumber_given_valid_serial_number_returns_correct_year(int yearEnding, int serialNumber, int year)
        {
            //Arrange
            var serialParser = new SerialNumberParser();

            //Act
            var result = serialParser.Parse(yearEnding, serialNumber);

            //Assert
            Assert.Equal(year, result);
        }