public void MustAddObject() { //Arrange var inventoryServices = new InventoryServices(); var inventoryController = new InventoryController(inventoryServices); var inventoryItem = new InventoryItems() { Id = 2, ItemName = "Test", Price = 100 }; //Act var actionResult = inventoryController.AddInvetoryItems(inventoryItem); var result = actionResult.Result as CreatedResult; //Assert Assert.AreEqual(actionResult.Result, result); }