public void NaiveRecommendationEngineReturnsSameProductId()
        {
            IRecommendationEngine engine = new NaiveRecommendationEngine();

            string productId = "MyProduct";

            IEnumerable<string> recommendations = engine.GetRecommendationsAsync(productId).Result;

            Xunit.Assert.Equal(new[] { productId }, recommendations.ToArray());
        }
 public void GivenIHaveBoughtA(string product)
 {
     recomendationengine = new NaiveRecommendationEngine();
     boughtproduct = product;
 }