public static void GetBytes_Throws_FormatException(string input)
        {
            // Arrange

            // Act
            Assert.Throws <FormatException>(() => BitConverterHelper.GetBytes(input));

            // Assert
        }
        public static void GetBytes_String_HasNo_Dashes(string expected)
        {
            // Arrange
            var input = BitConverter.ToString(Encoding.UTF8.GetBytes(expected)).Replace("-", string.Empty);

            // Act
            var result = Encoding.UTF8.GetString(BitConverterHelper.GetBytes(input));

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