public async Task TestGetCountOnAllArticlesMethod() { var context = ApplicationDbContextInMemoryFactory.InitializeContext(); var articleRepository = new EfDeletableEntityRepository <Article>(context); var articlesService = new ArticlesService(articleRepository); for (int i = 0; i < 10; i++) { var inputModel = new CreateArticleViewModel { ImgUrl = $"TT{i}{i * 2}asd", Content = $"Ten{i}{i * 2}", Title = $"Article{i}", }; await articlesService.CreateAsync(inputModel, i.ToString()); } var result = articlesService.GetCountOnAllArticles(); Assert.Equal(10, result); }