async def METHOD_NAME():
    mock_response = AsyncMockDispatch(b'hello')
    async with AsyncOAuth1Client(
        'id', 'secret', token='foo', token_secret='bar',
        app=mock_response,
    ) as client:
        response = await client.get('https://example.com/')
    assert response.content == b'hello'
    request = response.request
    auth_header = request.headers.get('authorization')
    assert 'oauth_token="foo"' in auth_header
    assert 'oauth_consumer_key="id"' in auth_header
    assert 'oauth_signature=' in auth_header