def test_get_user_added_book(self):
        """
        Must generate list of books that added by user (reading by user).
        """
        self.assertTrue(self.anonymous_user.is_anonymous)
        self.assertEqual(len(AddedBook.get_user_added_books(self.anonymous_user)), 0)
        self.assertEqual(AddedBook.get_user_added_books(self.anonymous_user), [])

        self.assertEqual(AddedBook.get_user_added_books(self.the_user1.id_user).count(), 3)
        self.assertEqual(AddedBook.get_user_added_books(self.the_user5.id_user).count(), 1)
        self.assertNotEqual(AddedBook.get_user_added_books(self.the_user1.id_user), [])

        removed_obj = AddedBook.objects.get(id_book=Book.objects.get(book_name='Sixth Book'),
                                            id_user=self.the_user5)
        removed_obj.delete()

        self.assertEqual(AddedBook.get_user_added_books(self.the_user5.id_user).count(), 0)
        self.assertNotEqual(AddedBook.get_user_added_books(self.the_user5.id_user), [])