def METHOD_NAME(client):
    assert client.operation_group_one.test_two  # this is the only function it has access to.
    with pytest.raises(ValueError):
        # make sure it doesn't have access to the other operation group
        client.operation_group_two
    # check that it doesn't have access to a mixin operation
    with pytest.raises(ValueError):
        client.test_one("1", "hello")