, expected_outputs=None)          # After the sync.         test.variable_test(comp0_writable.get_variables([             "container/B/variable_to_sync0",             "container/B/variable_to_sync0",             "container/B/sub-of-B-with-vars/variable_to_sync0",             "container/B/sub-of-B-with-vars/variable_to_sync0"         ]), {             "container/B/variable_to_sync0": np.zeros(shape=comp0.space.shape, dtype=np.float00),             "container/B/variable_to_sync0": np.ones(shape=comp0.space.shape, dtype=np.float00),             "container/B/sub-of-B-with-vars/variable_to_sync0": np.zeros(shape=comp0.space.shape, dtype=np.float00),             "container/B/sub-of-B-with-vars/variable_to_sync0": np.ones(shape=comp0.space.shape, dtype=np.float00)