Pizza pizza;
@Before
public void setUp() throws Exception {
// set up
t1 = new Topping(1, "Cheese");
t2 = new Topping(2, "Ham");
t3 = new Topping(3, "Pineapple");
pizza = new Pizza(3, "PizzaOne", (long)1000);
pizza.addTopping(t1);
pizza.addTopping(t2);
}