def test_large_lists(self):
    l1 = ((list(range(1000)) * 1000) + list(range(1000, 1100)))
    l2 = list(range(900, 1050))
    self.assertEqual(SUPERLIST, check_lists(l1, l2))
def test_large_lists(self):
    l1 = ((list(range(1000)) * 1000) + list(range(1000, 1100)))
    l2 = list(range(900, 1050))
    self.assertEqual(SUPERLIST, check_lists(l1, l2))