A test of a withdraw method of an ATM using Mockito and test doubles

test withdraw

@RunWith(MockitoJUnitRunner.class)
public class ATMTest {

    private ATM sut;
    @Mock
    private BankService bankService;
    @Mock
    private CashDispenser cashDispenser;
    @Mock
    private DepositSlot depositSlot;
    @Mock
    private Keypad keypad;
    @Mock
    private Screen screen;

    @Before
    public void setUp() {
        sut = new ATM(bankService, cashDispenser, depositSlot, keypad, screen);
    }

    @Test
    public void testWithdrawCashSuccess() throws BankServiceException {
        //given
        BigDecimal amount = new BigDecimal("1000");
        BigDecimal balance = new BigDecimal("5000");
        Mockito.when(keypad.getAmount()).thenReturn(amount);
        Mockito.when(bankService.getBalance()).thenReturn(balance);
        Mockito.when(cashDispenser.isThereEnoughMoney(amount)).thenReturn(true);

        //when
        sut.withdrawCash();

        //then
        Mockito.verify(bankService, Mockito.times(1)).debit(amount);
        Mockito.verify(cashDispenser).dispenseCash(amount);
    }
}