@Test
public void testDeleteReservationInvalidPlan() {

  ReservationDeleteRequest request = new ReservationDeleteRequestPBImpl();
  ReservationId reservationID =
      ReservationSystemTestUtil.getNewReservationId();
  request.setReservationId(reservationID);
  when(rSystem.getPlan(PLAN_NAME)).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
            .endsWith(" is not associated with any valid plan. Please try again with a valid reservation."));
    LOG.info(message);
  }
}