public void ChangeMachineTest() { string wantedResult = "0 Half Dollars, 0 Quarters, 0 Dimes, 1 Nickels, 2 Pennies "; string result = MoneyMachine.ChangeConverter(0.07); Assert.AreEqual(wantedResult, result, "input:0.07"); wantedResult = "0 Half Dollars, 0 Quarters, 0 Dimes, 0 Nickels, 0 Pennies "; result = MoneyMachine.ChangeConverter(-0.07); Assert.AreEqual(wantedResult, result, "input:-0.07"); wantedResult = "1 Half Dollars, 1 Quarters, 1 Dimes, 1 Nickels, 1 Pennies "; result = MoneyMachine.ChangeConverter(0.91); Assert.AreEqual(wantedResult, result, "input:0.91"); }