@Test
public void testReserve01() {

    ReserveTourForm form = new ReserveTourForm();
    ReserveTourOutput output = new ReserveTourOutput();
    when(reserveService.reserve(any(ReserveTourInput.class))).thenReturn(
            output);
    // run
    ReserveTourOutput result = reserveHelper.reserve(userDetails, "123",
            form);
    // assert
    assertThat(result, is(output));
}