[jdk21u-dev] RFR: 8344577: Virtual thread tests are timing out on some macOS systems

[Christoph Langer]

Hi all,

This pull request contains a backport of [JDK-8344577](https://bugs.openjdk.org/browse/JDK-8344577), commit [a032de29](https://github.com/openjdk/jdk/commit/a032de2904baf83143415858ed7191549c659035) from the [openjdk/jdk](https://git.openjdk.org/jdk) repository.

The commit being backported was authored by Alan Bateman on 25 Nov 2024 and was reviewed by Jaikiran Pai.

Thanks!

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Commit messages:
 - Backport a032de2904baf83143415858ed7191549c659035

Changes: https://git.openjdk.org/jdk21u-dev/pull/2297/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=2297&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8344577
  Stats: 41 lines in 3 files changed: 29 ins; 1 del; 11 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/2297.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/2297/head:pull/2297

PR: https://git.openjdk.org/jdk21u-dev/pull/2297