RFR: 8335131: Test "javax/swing/JColorChooser/Test6977726.java" failed on ubuntu x64 because "Preview" title is missing for GTK L&F [v6]

[Damon Nguyen]

On Thu, 25 Jul 2024 17:03:05 GMT, Abhishek Kumar <abhiscxk at openjdk.org> wrote:

>> This test was modified under [JDK-8328403](https://bugs.openjdk.org/browse/JDK-8328403) bug to remove the applet usage. Test modification includes the instruction change as well which says that `Check that there is a panel with "Text Preview Panel" text and with title "Preview" in the JColorChooser`. Applet test didn't say explicitly about the panel title.
>> 
>> When the test is run with `GTKLookAndFeel` option, `Preview` title is missing due to the `showPreviewPanelText` property defined for `GTKLookAndFeel` is set to **FALSE**. `showPreviewPanelText` property is not defined for other L&Fs and that leads to fallback to the default value of **TRUE** for the property while lookup.
>> 
>> Proposed fix is to change the default value of `showPreviewPanelText` property to **TRUE** for GTK L&F.
>
> Abhishek Kumar has updated the pull request incrementally with one additional commit since the last revision:
> 
>   minor change

Marked as reviewed by dnguyen (Committer).

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PR Review: https://git.openjdk.org/jdk/pull/20104#pullrequestreview-2199917251