RFR: 8316106: Open source few swing JInternalFrame and JMenuBar tests [v2]

[Tejesh R]

On Fri, 15 Sep 2023 05:51:38 GMT, Abhishek Kumar <abhiscxk at openjdk.org> wrote:

>> Few closed JInternalFrame and JMenuBar swing tests are open sourced.
>
> Abhishek Kumar has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Review comment update

Marked as reviewed by tr (Committer).

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PR Review: https://git.openjdk.org/jdk/pull/15735#pullrequestreview-1628257783