def setup_book_comment(cls):
        second_book = Book.objects.get(book_name='Second Book')
        third_book = Book.objects.get(book_name='Third Book')
        fourth_book = Book.objects.get(book_name='Fourth Book')

        BookComment.objects.create(id_book=second_book, id_user=cls.the_user1, text='Test book 2 user 1')
        BookComment.objects.create(id_book=second_book, id_user=cls.the_user2, text='Test book 2 user 2')
        BookComment.objects.create(id_book=third_book, id_user=cls.the_user1, text='Test book 3 user 1')
        BookComment.objects.create(id_book=fourth_book, id_user=cls.the_user1, text='Test book 4 user 1')
        BookComment.objects.create(id_book=fourth_book, id_user=cls.the_user5, text='Test book 4 user 5')