public void Base64Decode_ValidInput_ExpectedResultReturned()
		{
			var cryptonator = new Base64Cryptonator();
			const string expected = "testString123";
			var decoded = cryptonator.Decode("dGVzdFN0cmluZzEyMw==");

			Assert.AreEqual(decoded, expected);
		}
		public void Base64Decode_ParameterEmpty_ExceptionThrown()
		{
			var cryptonator = new Base64Cryptonator();
			Assert.Throws<ArgumentNullException>(() => cryptonator.Decode(string.Empty));
		}