RFR: 8355298: Increase timeout for StressAsyncUL

[Johan Sjölen]

Hi,

Running async UL with stalling mode enabled is very slow if your buffer is very small. This turns out to become an issue on slow machines, where we run the risk of the test timing out.

The ticket's suggestion (and title) is to increase the timeout. I think that it'd be fine to reduce the logging level to 'debug' instead, thus reducing the time required to run the test.

Obviously, if we go with this solution then the ticket name and description must be adjusted.

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Commit messages:
 - Decrease number of logs

Changes: https://git.openjdk.org/jdk/pull/25695/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=25695&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8355298
  Stats: 2 lines in 1 file changed: 1 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/25695.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/25695/head:pull/25695

PR: https://git.openjdk.org/jdk/pull/25695