RFR: 8352905: Open some JComboBox bugs 1 [v2]

[Prasanta Sadhukhan]

On Wed, 16 Apr 2025 08:22:19 GMT, Alisen Chung <achung at openjdk.org> wrote:

>> Updating and opening some tests
>
> Alisen Chung has updated the pull request incrementally with two additional commits since the last revision:
> 
>  - update tests
>  - update tests

Marked as reviewed by psadhukhan (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/24495#pullrequestreview-2771660010