def METHOD_NAME(requests_mock, config, themes_response):
    requests_mock.register_uri("GET", TYPEFORM_BASE_URL + "themes?page=1&page_size=200", themes_response)
    stream = Themes(authenticator=MagicMock(), **config)
    merged_records = merge_records(stream, SyncMode.full_refresh)
    assert len(merged_records) == 2