def METHOD_NAME(self, client):
    file_length = 0
    with io.BytesIO() as file_handle:
        stream = client.files.get_empty_file()
        assert len(stream) == 0
        assert not stream.response.internal_response._content_consumed
        for data in stream:
            file_length += len(data)
            file_handle.write(data)
        assert file_length ==  0