[I] [Java] Handle Flight Tests to gracefully shutdown. [arrow-java]

vibhatha opened a new issue, #57: URL: https://github.com/apache/arrow-java/issues/57 ### Describe the bug, including details regarding any error messages, version, and platform. We have been experiencing a few flaky tests in Flight. And recently this was tracked in another PR https

[I] [Java] Handle Flight Tests to gracefully shutdown. [arrow]

vibhatha opened a new issue, #43948: URL: https://github.com/apache/arrow/issues/43948 ### Describe the bug, including details regarding any error messages, version, and platform. We have been experiencing a few flaky tests in Flight. And recently this was tracked in another PR http