@Test public void updatesPizza() { Pizza pizza = new Pizza(new Size("Large", BigDecimal.ZERO), new Crust("Thin"), new Sauce("Normal")); Order order = new Order( OrderType.FOR_PICKUP, new Customer("Finn", "*****@*****.**", "+1(999)999-2187")); pizza.setOrder(order); orderService.updatePizza(pizza); verify(mockPizzaRepository).save(pizza); }