assertEquals(RequestState.STATE_Active, request.getState().getStateStr());
assertEquals(1, request.getVMIds().length);
logger.debug("Cancelling backfill request.");
RequestInfo[] cancelledBackfillReqs = rm.cancelBackfillRequests(new String[]{backfillResult.getRequestID()}, superuser);
assertEquals(1, cancelledBackfillReqs.length);
assertEquals(RequestState.STATE_Canceled, cancelledBackfillReqs[0].getState().getStateStr());
assertEquals(backfillResult.getRequestID(), cancelledBackfillReqs[0].getRequestID());
logger.debug("Waiting for termination.");