public void SetLoginInformationMFATest()
        {
            // Arrange
            byte[] derivedKey = new byte[16] {
                111, 222, 31, 4, 15, 6, 7, 8, 9, 10, 11, 12, 13, 104, 15, 196
            };

            SymmetricKeyAlgorithm ska = SymmetricKeyAlgorithm.GenerateNew(SymmetricEncryptionAlgorithm.AES_CTR);

            LoginInformationSecret loginInformationSecret = new LoginInformationSecret(loginInformation, "does not matter", ska, derivedKey);

            string newMFA = "otpauth://totp/BIG_DRAGON?secret=YOUR_FIRE";

            // Act
            bool   shouldBeTrue         = loginInformationSecret.SetMFA(newMFA, derivedKey);
            string loginInformationMFA2 = loginInformationSecret.GetMFA(derivedKey);
            bool   shouldBeFalse        = loginInformationSecret.SetMFA(newMFA, new byte[] { 1, 2, 3 });

            // Assert
            Assert.IsTrue(shouldBeTrue);
            Assert.IsFalse(shouldBeFalse);
            Assert.IsFalse(string.IsNullOrEmpty(loginInformationMFA2));
            Assert.AreEqual(newMFA, loginInformationMFA2);
        }