def test_get_server_metadata_headers_no_additional_headers(self):
        """Tests that the MetaDataProvider functions correctly without any additional headers as arguments"""
        meta_data_provider = MetaDataProvider("Ingenico")

        request_headers = meta_data_provider.meta_data_headers
        self.assertEqual(1, len(request_headers))
        self.assertServerMetaInfo(meta_data_provider, "Ingenico", None, request_headers[0])