allocator.sendRequest(event2);
// this tells the scheduler about the requests
// as nodes are not added, no allocations
List<TaskAttemptContainerAssignedEvent> assigned = allocator.schedule();
dispatcher.await();
Assert.assertEquals("No of assignments must be 0", 0, assigned.size());
Assert.assertEquals(4, rm.getMyFifoScheduler().lastAsk.size());
// send another request with different resource and priority
ContainerRequestEvent event3 = createReq(jobId, 3, 1024,