RFR: 8340985: Open source some Desktop related tests [v3]

[Abhishek Kumar]

On Fri, 4 Oct 2024 08:20:26 GMT, Alexander Zuev <kizune at openjdk.org> wrote:

>> Should this test also needs to be `headful` then?
>
> There is a @key headful on line 27.

Looks like this line is deleted in recent commit..

![Img](https://github.com/user-attachments/assets/278bb982-f72e-4b0a-b9b4-1c815ee0bca2)

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PR Review Comment: https://git.openjdk.org/jdk/pull/21321#discussion_r1787364683