retryStrategy = createMock(BackoffStrategy.class);
driver = createMock(Driver.class);
executor = createMock(ScheduledExecutorService.class);
future = createMock(ScheduledFuture.class);
returnDelay = createMock(OfferReturnDelay.class);
clock = new FakeClock();
clock.setNowMillis(0);
statsProvider = createMock(StatsProvider.class);
rescheduleCalculator = createMock(RescheduleCalculator.class);
preemptor = createMock(Preemptor.class);
emptyJob = new AttributeAggregate(