def METHOD_NAME():
    def assert_func(request):
        content = request.form
        assert content.get('oauth_token') == 'foo'
        assert content.get('oauth_consumer_key') == 'id'
        assert 'oauth_signature' in content
    mock_response = MockDispatch(b'hello', assert_func=assert_func)
    with OAuth1Client(
        'id', 'secret', token='foo', token_secret='bar',
        signature_type=SIGNATURE_TYPE_BODY,
        app=mock_response,
    ) as client:
        response = client.post('https://example.com/')
    assert response.content == b'hello'
    request = response.request
    auth_header = request.headers.get('authorization')
    assert auth_header is None