RFR: 8341000: Open source some of the AWT Window tests [v5]

[Jayathirth D V]

On Fri, 4 Oct 2024 05:30:16 GMT, Jayathirth D V <jdv at openjdk.org> wrote:

>> Clean up and open source some of the AWT window tests.
>> Automated test `InvalidFocusLostEventTest.java` is verified in our CI also and it passes on all platforms.
>
> Jayathirth D V has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Use waitForIdle

Thanks for the review. Since we have updated `InvalidFocusLostEventTest.java`, verified that latest test also passes in our CI.

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PR Comment: https://git.openjdk.org/jdk/pull/21281#issuecomment-2392946694