def test_double_sameloop(self):
        a = async.SyncWrapper(HelperA)
        sync = async.SyncWrapper(HelperB, (a,))
        ret = sync.sleep()
        self.assertFalse(ret)
Test async wrappers initiated from the same IOLoop, to ensure that
dataset/ETHPy150Open saltstack/salt/tests/unit/utils/async_test.py/TestSyncWrapper.test_double_sameloop