'Verify the request to download an Asset file.'

@pytest.mark.xfail
def test_download(self):

    with mock.patch('github3.utils.stream_response_to_file') as stream:
        self.instance.download()
    self.session.get.assert_called_once_with(url_for('/assets/1'), stream=True, allow_redirects=False, headers={'Accept': 'application/octect-stream'})
    assert (stream.called is False)
