public void OrderByScoreTranslatesToScoreSortAscending()
        {
            var ordered     = Robots.OrderByScore();
            var sortOptions = ElasticQueryTranslator.Translate(Mapping, ordered.Expression).SearchRequest.SortOptions;

            Assert.Single(sortOptions, o => o.Ascending && o.Name == "_score");
            Assert.Equal(1, sortOptions.Count);
        }