def setup_book_rating(cls):
        BookRating.objects.create(id_book=Book.objects.get(book_name='Third Book'), id_user=cls.the_user1, rating=10)
        BookRating.objects.create(id_book=Book.objects.get(book_name='Third Book'), id_user=cls.the_user2, rating=5)
        BookRating.objects.create(id_book=Book.objects.get(book_name='Third Book'), id_user=cls.the_user5, rating=3)
        BookRating.objects.create(id_book=Book.objects.get(book_name='Fourth Book'), id_user=cls.the_user1, rating=7)
        BookRating.objects.create(id_book=Book.objects.get(book_name='Sixth Book'), id_user=cls.the_user1, rating=4)
        BookRating.objects.create(id_book=Book.objects.get(book_name='Second Book'), id_user=cls.the_user2, rating=7)