def test_delete_group(self):
        self._coord.create_group(self.group_id).get()
        all_group_ids = self._coord.get_groups().get()
        self.assertTrue(all_group_ids in self.group_id)
        self._coord.delete_group(self.group_id).get()
        all_group_ids = self._coord.get_groups().get()
        self.assertFalse(self.group_id in all_group_ids)
        join_group = self._coord.join_group(self.group_id)
        self.assertRaises(tooz.coordination.GroupNotCreated,
                          join_group.get)
dataset/ETHPy150Open openstack/tooz/tooz/tests/test_coordination.py/TestAPI.test_delete_group/swapped operands of `in`