RFR: 8158801: [TEST_BUG] Mixing tests fail because of focus workaround trick [v27]

[Khalid Boulanouare]

On Fri, 22 Aug 2025 16:41:14 GMT, Khalid Boulanouare <duke at openjdk.org> wrote:

>> Many Mixing tests failed because the work around click lands on the minimizing area in the window control and causes the tests to fail.
>> 
>> This fix changes the width of base frames which allows most of tests to pass.
>
> Khalid Boulanouare has updated the pull request incrementally with two additional commits since the last revision:
> 
>  - Disposes frames after each AWT component test
>  - Removes redundant code for centring frames

@manukumarvs tested with the recent code changes and tests passed on all platforms.

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PR Comment: https://git.openjdk.org/jdk/pull/25971#issuecomment-3219300388