reswqa opened a new pull request, #22171:
URL: https://github.com/apache/flink/pull/22171
## What is the purpose of the change
*`ThreadInfoRequestCoordinatorTest#testShutDown` using two gateways contains
a `timeout gateway` but expected all `request futures` not done before
`shutdown`. If the timeout reached, this future will be failed, result in
`request futures` to be done. This makes the test strongly dependent on the
execution order of assertion and timeout, thus causing this test unstable.*
## Brief change log
- *Let ThreadInfoRequestCoordinatorTest more comply with the
specifications of Junit and AssertJ.*
- *Fix unstable test ThreadInfoRequestCoordinatorTest#testShutDown..*
## Verifying this change
This change is dedicated to fixing an unstable test.
## Does this pull request potentially affect one of the following parts:
- Dependencies (does it add or upgrade a dependency): no
- The public API, i.e., is any changed class annotated with
`@Public(Evolving)`: no
- The serializers: no
- The runtime per-record code paths (performance sensitive): no
- Anything that affects deployment or recovery: JobManager (and its
components), Checkpointing, Kubernetes/Yarn, ZooKeeper: no
- The S3 file system connector: no
## Documentation
- Does this pull request introduce a new feature? no
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