RFR: 8353007: Open some JComboBox bugs 2 [v5]

[Alisen Chung]

On Mon, 21 Apr 2025 22:58:37 GMT, Alisen Chung <achung at openjdk.org> wrote:

>> Updating and opening some tests
>
> Alisen Chung has updated the pull request incrementally with one additional commit since the last revision:
> 
>   reduce number of rows

updated. please re-review

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PR Comment: https://git.openjdk.org/jdk/pull/24496#issuecomment-2820483784