AllocatedSlot s1 = scheduler.scheduleImmediately(new ScheduledUnit(getTestVertexWithLocation(jid1, 0, 2, i1), sharingGroup, cc1));
AllocatedSlot s2 = scheduler.scheduleImmediately(new ScheduledUnit(getTestVertexWithLocation(jid1, 1, 2, i2), sharingGroup, cc2));
s1.releaseSlot();
s2.releaseSlot();
assertEquals(2, scheduler.getNumberOfAvailableSlots());
assertEquals(0, sharingGroup.getTaskAssignment().getNumberOfSlots());
AllocatedSlot sa = scheduler.scheduleImmediately(new ScheduledUnit(getTestVertexWithLocation(jidx, 0, 2)));