public void testAuthReversal() { authReversal authreversal = new authReversal(); authreversal.litleTxnId = 12345678000; authreversal.amount = 106; authreversal.payPalNotes = "Notes"; batchRequest.addAuthReversal(authreversal); Assert.AreEqual(1, batchRequest.getNumAuthReversal()); Assert.AreEqual(authreversal.amount, batchRequest.getSumOfAuthReversal()); mockLitleFile.Verify(litleFile => litleFile.createRandomFile(It.IsAny<String>(), It.IsAny<String>(), It.IsAny<String>(), mockLitleTime.Object)); mockLitleFile.Verify(litleFile => litleFile.AppendLineToFile(mockFilePath, authreversal.Serialize())); }