@Test
public void testDeleteReservationDoesnotExist() {

  ReservationDeleteRequest request = new ReservationDeleteRequestPBImpl();
  ReservationId rId = ReservationSystemTestUtil.getNewReservationId();
  request.setReservationId(rId);
  when(rSystem.getQueueForReservation(rId)).thenReturn(null);
  Plan plan = null;
  try {
    plan = rrValidator.validateReservationDeleteRequest(rSystem, request);
    Assert.fail();
  } catch (YarnException e) {
    Assert.assertNull(plan);
    String message = e.getMessage();
    Assert
        .assertTrue(message.equals(MessageFormat
            .format(
                "The specified reservation with ID: {0} is unknown. Please try again with a valid reservation.",
                rId)));
    LOG.info(message);
  }
}