[jdk24u] RFR: 8348299: Update List/ItemEventTest/ItemEventTest.java

Fri Jan 24 20:38:58 UTC 2025

Improve the `java/awt/List/ItemEventTest/ItemEventTest.java` test to make it more stable and to provide more diagnostic messages for failure analysis.

> This pull request contains a backport of commit [605b53e4](https://github.com/openjdk/jdk/commit/605b53e4f8857c58a72fa361f8787c563d6dab90) from the [openjdk/jdk](https://git.openjdk.org/jdk) repository.
> 
> The commit being backported was authored by Alexey Ivanov on 23 Jan 2025 and was reviewed by Alexander Zvegintsev, Phil Race and Alexander Zuev.

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Commit messages:
 - Backport 605b53e4f8857c58a72fa361f8787c563d6dab90

Changes: https://git.openjdk.org/jdk24u/pull/34/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk24u&pr=34&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8348299
  Stats: 98 lines in 1 file changed: 44 ins; 8 del; 46 mod
  Patch: https://git.openjdk.org/jdk24u/pull/34.diff
  Fetch: git fetch https://git.openjdk.org/jdk24u.git pull/34/head:pull/34

PR: https://git.openjdk.org/jdk24u/pull/34