MySQL 8.0 Index condition pushdown (ICP) does not take effect - mysql

Question

Recently I have considered how Index condition Pushdown work, and whether make a difference of locking in Repeatable read isolation level.
However, I find ICP does not take effect in MySQL 8.0, but work in 5.7. The repro steps as below shown ( based on guide in Index Condition Pushdown Optimization
Prepare table and data
CREATE TABLE `fruit` (
`id` bigint NOT NULL AUTO_INCREMENT,
`name` varchar(32) NOT NULL,
`age` int DEFAULT NULL,
`data` varchar(16) DEFAULT '',
PRIMARY KEY (`id`),
KEY `i_age_name` (`age`,`name`)
) ENGINE=InnoDB;
-- Prepare data
delimiter ;;
CREATE PROCEDURE `load_data`()
BEGIN
DECLARE i int DEFAULT 1;
WHILE i < 300 DO
INSERT INTO fruit (`name`, `age`, `data`) VALUES
(substring(MD5(RAND()),1,20), i / 10 + 1, 'test data'),
(substring(MD5(RAND()),1,20), i / 10 + 1, 'hello world');
SET i = i + 1;
END WHILE;
END ;;
delimiter ;
call load_data();
execute a query
explain select * from fruit where age = 10 and name like '%a';
We hope it Extra column could show Using index condition, but not found, I do not know why?
+----+-------------+-------+------------+------+---------------+------------+---------+-------+------+----------+-------------+
| id | select_type | table | partitions | type | possible_keys | key | key_len | ref | rows | filtered | Extra |
+----+-------------+-------+------------+------+---------------+------------+---------+-------+------+----------+-------------+
| 1 | SIMPLE | fruit | NULL | ref | i_age_name | i_age_name | 5 | const | 20 | 11.11 | Using where |
+----+-------------+-------+------------+------+---------------+------------+---------+-------+------+----------+-------------+
In Mysql 5.7, the query execution plan shows ICP is used
+----+-------------+-------+------------+------+---------------+------------+---------+-------+------+----------+-----------------------+
| id | select_type | table | partitions | type | possible_keys | key | key_len | ref | rows | filtered | Extra |
+----+-------------+-------+------------+------+---------------+------------+---------+-------+------+----------+-----------------------+
| 1 | SIMPLE | fruit | NULL | ref | i_age_name | i_age_name | 5 | const | 20 | 11.11 | Using index condition |
+----+-------------+-------+------------+------+---------------+------------+---------+-------+------+----------+-----------------------+