RFR: 8317116: Provide layouts for multiple test UI in PassFailJFrame [v2]

[Alexander Zvegintsev]

On Fri, 27 Sep 2024 14:39:26 GMT, Alexey Ivanov <aivanov at openjdk.org> wrote:

>> I tried this
>> 
>> Checkout this PR locally:
>> $ git fetch https://git.openjdk.org/jdk.git pull/21210/head:pull/21210
>> $ git checkout pull/21210
>> 
>> 
>> And the BottomOneRowCentered example looks like following to me: 
>> ![image](https://github.com/user-attachments/assets/c455c8f1-91b8-4664-b445-4598a835cedb)
>
> Yes, I see it now. I wonder why it worked correctly when I ran the tests to take screenshots.

jtreg doesn't recompile classes with `@build` (like PassFailJFrame) even if they are changed, so I usually do the `rm -rf JT*` if I touched some of them.
This may be your case.

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PR Review Comment: https://git.openjdk.org/jdk/pull/21207#discussion_r1778751391