'Test alternate but identical auth data for headers
Assert that when the alt data is provided, but it\'s actually
identical, an exception is raised.'

def _test_request_with_identical_alt_auth(self, part):

    self.auth_provider.set_alt_auth_data(part, (fake_identity.TOKEN, self._get_fake_identity()))
    filters = {'service': 'compute', 'endpoint_type': 'publicURL', 'region': 'fakeRegion'}
    self.assertRaises(exceptions.BadAltAuth, self.auth_provider.auth_request, 'GET', self.target_url, filters=filters)
