br: The ResizableRuntime make some unit test taking too long to finish #17807
Description
Bug Report
What version of TiKV are you using?
master
What operating system and CPU are you using?
Steps to reproduce
Run unit test test_txn_api_version::test_raftstore_v2_must_new_and_configure_cluster.
It should finish in 20s, but it actually takes more than 120s.
What did you expect?
The unit tests could finish faster.
What did happened?
It takes too long time to finish.