KAFKA-10235 Fix flaky transactions_test.py (#8981)
KAFKA-10235 Fix flaky transactions_test.py (#8981)

Reducing timeout of transaction to clean up the unstable offsets quicker. IN hard_bounce mode, transactional client is killed ungracefully. Hence, it produces unstable offsets which obstructs TransactionalMessageCopier from receiving position of group.

Reviewers: Jun Rao <3b8fe158618db0e3f4afb5782d706a350bebb0b8@gmail.com>
TiVo/kafka,apache/kafka,Chasego/kafka,Chasego/kafka,apache/kafka,apache/kafka,guozhangwang/kafka,TiVo/kafka,apache/kafka,Chasego/kafka,lindong28/kafka,TiVo/kafka,lindong28/kafka,lindong28/kafka,TiVo/kafka,lindong28/kafka,guozhangwang/kafka,guozhangwang/kafka,Chasego/kafka,guozhangwang/kafka