def test_isdisjoint_no(self):
qs = QueueSet([2,3,4,5])
tt = QueueSet([9,7,4])
assert not qs.isdisjoint(tt)
def test_isdisjoint_yes(self):
qs = QueueSet([1,3,5,7,9])
tt = QueueSet([0,2,4,6,8])
assert qs.isdisjoint(tt)