RFR: 7124313: [macosx] Swing Popups should overlap taskbar

[Sergey Bylokhov]

On Mon, 27 Jun 2022 07:01:35 GMT, Prasanta Sadhukhan <psadhukhan at openjdk.org> wrote:

> In macos, popups does not overlap taskbar unlike windows, as can be seen here  in "Settings"
> so we can omit this test from macOS run.
> 
> ![image](https://user-images.githubusercontent.com/43534309/175878607-6435da8c-ae32-4512-9cbc-0b449637e93f.png)

Marked as reviewed by serb (Reviewer).

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PR: https://git.openjdk.org/jdk/pull/9294