public async void Test_GivenAUser_WhenSendEmailOrPhoneConfirmationToken_ThenResponseIsNotAltered()
        {
            var cognitoUser = GetCognitoUser();

            userStoreMock.Setup(mock => mock.GetUserAttributeVerificationCodeAsync(It.IsAny <CognitoUser>(), It.IsAny <string>(), It.IsAny <CancellationToken>())).Returns(Task.FromResult(IdentityResult.Success)).Verifiable();
            var output = await userManager.SendEmailConfirmationTokenAsync(cognitoUser).ConfigureAwait(false);

            Assert.Equal(IdentityResult.Success, output);
            output = await userManager.SendPhoneConfirmationTokenAsync(cognitoUser).ConfigureAwait(false);

            Assert.Equal(IdentityResult.Success, output);
            userStoreMock.Verify();
        }