public void GetByUserId_ShouldReturnCorrectRating()
{
Guid guid = new Guid("93297545-6aff-44cf-911c-fc4b5a88b404");
var response = controller.GetByUserId(guid);
Assert.IsNotNull(response);
Assert.AreEqual(HttpStatusCode.OK, response.StatusCode);
var rating = response.Content.ReadAsAsync <IEnumerable <Rating> >().Result;
Assert.AreEqual(ratings.Where(c => c.Value.UserId == guid).Count(), rating.Count());
}