private async void ErrorForSameSessionId()
        {
            var dbContext       = GetOtpContext();
            var otpRepository   = new OtpRepository(dbContext);
            var sessionId       = TestBuilder.Faker().Random.Hash();
            var otpToken        = TestBuilder.Faker().Random.Number().ToString();
            var testOtpResponse = new Response(ResponseType.InternalServerError, "OtpGeneration Saving failed");

            await otpRepository.Save(otpToken, sessionId);

            var response = await otpRepository.Save(otpToken, sessionId);

            response.Should().BeEquivalentTo(testOtpResponse);
            dbContext.Database.EnsureDeleted();
        }
        private async void ReturnNullForInvalidSessionId()
        {
            var dbContext     = GetOtpContext();
            var otpRepository = new OtpRepository(dbContext);
            await otpRepository.Save(TestBuilder.Faker().Random.Number().ToString()
                                     , TestBuilder.Faker().Random.Hash());

            var response = await otpRepository.GetWith(TestBuilder.Faker().Random.Hash());

            var otpRequest = response.ValueOr((OtpRequest)null);

            otpRequest.Should().BeNull();
            dbContext.Database.EnsureDeleted();
        }
        private async void SaveOtpGenerationRequest()
        {
            var faker           = TestBuilder.Faker();
            var dbContext       = GetOtpContext();
            var otpRepository   = new OtpRepository(dbContext);
            var sessionId       = faker.Random.Hash();
            var otpToken        = faker.Random.Number().ToString();
            var testOtpResponse = new Response(ResponseType.Success, "Otp Created");

            var response = await otpRepository.Save(otpToken, sessionId);

            response.Should().BeEquivalentTo(testOtpResponse);
            dbContext.Database.EnsureDeleted();
        }