'Test empty alternate auth data
Assert that when alt_part is defined, the corresponding original
request element is kept the same.'

def test_request_with_alt_part_without_alt_data(self):

    filters = {'service': 'compute', 'endpoint_type': 'publicURL', 'region': 'fakeRegion'}
    self.auth_provider.set_alt_auth_data('headers', None)
    (url, headers, body) = self.auth_provider.auth_request('GET', self.target_url, filters=filters)
    self.assertNotEqual(url, self.target_url)
    self.assertIsNone(headers)
    self.assertIsNone(body)
