public void EditBook_CorrectData_TrueReturned()
        {
            //Arrange
            //Arrange
            string author             = "Джорджи Кроули";
            int    field_knowledge_id = 34;
            string name           = "Корги по имени Генри";
            string isbn           = "978-5-386-12347-5";
            string place          = "Москва";
            int    year           = 1755;
            int    interpreter_id = 2;
            int    chamber_id     = 2;
            string newName        = "Аываы";

            //Act
            List <books> updatingClient = new List <books>();

            if (booksController.AddNewBook(author, field_knowledge_id, name, isbn, place, year, interpreter_id, chamber_id))
            {
                int tradingId = dbHelper.context.books.OrderByDescending(t => t.book_id).FirstOrDefault().book_id;
                updatingClient = booksController.GetBookId(tradingId);

                if (booksController.UpdateBookInfo(author, field_knowledge_id, newName, isbn, place, year, interpreter_id, chamber_id, updatingClient))
                {
                    dbHelper = new DbHelper();
                    string expectedName = dbHelper.context.books.Where(t => t.name == newName).FirstOrDefault().name;

                    var selectString = dbHelper.context.books.AsNoTracking().OrderByDescending(t => t.book_id).Take(1);
                    foreach (var item in selectString)
                    {
                        booksController.DeleteBookInfo(item);
                    }
                    //Assert
                    Assert.AreEqual(expectedName, newName);
                }
            }
        }