public void testAddReserveCredit() { reserveCredit reserveCredit = new reserveCredit(); reserveCredit.fundingSubmerchantId = "123456"; reserveCredit.fundsTransferId = "123467"; reserveCredit.amount = 107L; batchRequest.addReserveCredit(reserveCredit); Assert.AreEqual(1, batchRequest.getNumReserveCredit()); Assert.AreEqual(107L, batchRequest.getReserveCreditAmount()); mockLitleFile.Verify(litleFile => litleFile.createRandomFile(It.IsAny<String>(), It.IsAny<String>(), It.IsAny<String>(), mockLitleTime.Object)); mockLitleFile.Verify(litleFile => litleFile.AppendLineToFile(mockFilePath, reserveCredit.Serialize())); }