scheduler.determineMinHeldContainers();
Assert.assertEquals(7, scheduler.sessionMinHeldContainers.size());
// test min < held
scheduler.sessionNumMinHeldContainers = 5;
scheduler.determineMinHeldContainers();
Assert.assertEquals(5, scheduler.sessionMinHeldContainers.size());
Set<HeldContainer> heldContainers = Sets.newHashSet();
for (ContainerId cId : scheduler.sessionMinHeldContainers) {
heldContainers.add(scheduler.heldContainers.get(cId));