Tests.swift

func testOrdersViewModel() {
        let orderModel = Order(name: "Order 1", description: "Margaritta Pizza", price: 15)
        let orderViewModel = OrdersViewModel(model: orderModel)
        XCTAssert(orderViewModel.title == "Name:Order 1\nDescription:Margaritta Pizza\nPrice:15$", "This is not valid order")
    }
    
    func testCompletedOrderModel() {
        let completedOrderModel = CompletedOrder(name: "Completed order 1", description: "Margaritta Pizza", completedDate: "17/04/1992", userRating: 5.5, price: 10)
        XCTAssert(completedOrderModel.completedDate == "17/04/1992", "Date format is not correct!")
        XCTAssert(completedOrderModel.price == -100, "Price is not valid")
        XCTAssert(completedOrderModel.userRating == 5, "Rating is not correct!")
    }