public void TestingUpdateAmountMethod() { //Arrange var currentIncome = new Income() { LsgIncome = 10, JulianaDeposit = 5, RolloverAmount = 1, UnexpectedIncome = 1, FamilyGift = 1, }; var expected = 19; //Act var actual = currentIncome.UpdateBalanceAmount(1); //Assert Assert.AreEqual(expected, actual); }