public void TestPaymentRepository_Retruns_Payment_Schedule_Data_For_TestStudent()
        {
            IPaymentRepository paymentRepository = new TestPaymentRepository();
            PaymentSchedule    paySchedule       = paymentRepository.GetPaymentSchedule(1);

            Assert.IsNotNull(paySchedule);
            Assert.IsTrue(paySchedule.Payments.Count > 0);
            Assert.IsNotNull(paySchedule.StudentName);
        }
        public void TestPaymentRepository_Returns_Total_Amount_of_Payment_Schedule_For_TestStudent()
        {
            IPaymentRepository paymentRepository = new TestPaymentRepository();
            PaymentSchedule    paymentSchedule   = paymentRepository.GetPaymentSchedule(1);

            Assert.IsNotNull(paymentSchedule);
            Assert.IsTrue(paymentSchedule.Payments.Count > 0);
            Assert.IsNotNull(paymentSchedule.StudentName);

            double sumAmount = paymentSchedule.PaymentScheduleTotal;

            Assert.IsNotNull(sumAmount);
        }