RFR: 8302525: Write a test to check various components send Events while mouse and key are used simultaneously

[Sergey Bylokhov]

On Wed, 15 Feb 2023 12:50:42 GMT, Ravi Gupta <duke at openjdk.org> wrote:

> Main aim of this testcase is to test the behavior of various events under stress.
> 
> This testcase verifies the following assertions
> a. This TestCase performs various mouse and key operations on components and checks whether all the events are getting triggered properly.
> b. It also checks some of the component specific events like item, action wherever necessary.
> 
> Testing:
> Tested using Mach5(20 times per platform) in macos,linux and windows and got all pass.

Marked as reviewed by serb (Reviewer).

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PR: https://git.openjdk.org/jdk/pull/12571