public void BrokererTransacted2Orderd_With40And50Coins_Reports90() { //Arrange const int expected = 90; var broker = new DigiCoinBroker(0.05m, 1.49m); //Act broker.TakeOrder(40); broker.TakeOrder(50); var result = broker.ReportTransactedNumber(); //Assert Assert.AreEqual(expected, result); }