public async Task GetCommentByIdJsonShouldReturnCommentJson() { // Arrange var db = this.GetDatabase(); var comment = new Comment { Id = "slihdbflisdbnfawef", MovieId = "lihsbdfjsndfsf", UserId = "s;lkdf;sldfkg" }; var json = JsonConvert.SerializeObject(comment); db.AddRange(comment); await db.SaveChangesAsync(); var commentsService = new CommentsService(db); // Act var result = commentsService.GetCommentByIdJson(comment.Id); // Assert result .Should() .Equals(json); }