/**
   * This tests the cashier under very simple terms: one customer is ready to pay the exact bill.
   */
  public void testInitializationTest() { // tests to ensure Cashier is constructed properly //CHANGE
    //        	  customer1.cashier = cashier;//You can do almost anything in a unit test.

    // check preconditions
    assertEquals(
        "Cashier should have 0 customers in it. It doesn't.", cashier.getMyCustomers().size(), 0);
    assertEquals("Cashier did not start with 500 money", cashier.getMoney(), 500.0); // CHANGE
    assertEquals("marketPayments list did not start empty", cashier.getMarketPayments().size(), 0);
    assertEquals("myCustomers list did not start at size zero", cashier.getMyCustomers().size(), 0);
    assertEquals("menuMap did not start with 4 items in it", cashier.getPriceMenu().size(), 4);
  }