public async Task GetCommentByPostIdWorkCorrectly() { var comment = new Comment() { Text = "test", UserId = "a", AnnouncementId = "1", }; await this.dbContext.Comments.AddAsync(comment); await this.dbContext.SaveChangesAsync(); var service = new CommentsService(this.commentRepository); var result = service.GetCommentByPostId <CommentInputModel>("1"); Assert.Equal(1, result?.Count()); }