RFR: 8280482: Window transparency bug on Linux [v7]

[Alexey Ivanov]

On Tue, 1 Aug 2023 20:14:17 GMT, Alexander Zvegintsev <azvegint at openjdk.org> wrote:

>> test/jdk/java/awt/Multiscreen/MultiScreenCheckScreenIDTest.java line 133:
>> 
>>> 131:     public void mouseClicked(MouseEvent e) {
>>> 132:         ((Window) e.getSource()).dispose();
>>> 133:     }
>> 
>> In the automatic test, it's not necessary at all — you don't expect any input.
>
> Sometimes it's easier to run the test directly, without the jtreg.
> Dispose is useful in this case to avoid locking the user's screen.

It's *always* easier to run the test directly without jtreg.

It was in the original test case, you can dispose of a window by clicking. I see no real problem preserving it. :)

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PR Review Comment: https://git.openjdk.org/jdk/pull/14825#discussion_r1281130652