RFR: 8376089: Increase QUIC idle timeout in H3FixedThreadPoolTest to collect more diagnostic [v2]

[Jaikiran Pai]

On Thu, 22 Jan 2026 10:40:54 GMT, Volkan Yazici <vyazici at openjdk.org> wrote:

>> This test failed on Tier 7, but the failure could not be reproduced. Increase the QUIC idle timeout to a value higher than the JTreg on Tier 7 so that, if the client becomes wedged again, the JTreg timeout handlers can collect more diagnostic information.
>
> Volkan Yazici has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Remove `@bug` entry

Marked as reviewed by jpai (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/29358#pullrequestreview-3692151632