RFR: JDK-8222323: ChildAlwaysOnTopTest.java fails with "RuntimeException: Failed to unset alwaysOnTop" [v5]

[Alexander Zuev]

On Thu, 5 May 2022 18:31:01 GMT, Harshitha Onkar <duke at openjdk.java.net> wrote:

>> This test case tests the functionality of `setAlwaysOnTop`. 
>> Documentation on `setAlwaysOnTop`: [Link](https://docs.oracle.com/en/java/javase/17/docs/api/java.desktop/java/awt/Window.html#setAlwaysOnTop(boolean))
>> 
>> The following test case was seen to fail on windows and linux platforms. With the proposed fix, the test case works on all platforms.
>> 
>> The test case tests `alwaysOnTop` for the following three cases:
>> 
>> 1.	JDialog with no parent/owner
>> 2.	JDialog with JFrame as owner
>> 3.	JDialog with another JDialog as owner
>> 
>> Each of the three cases mentioned above is tested under 3 scenarios:
>> ![Screen Shot 2022-05-02 at 2 02 30 PM](https://user-images.githubusercontent.com/95945681/166327299-0fb5ce14-478d-4dee-a03a-1009a8e17047.png)
>
> Harshitha Onkar has updated the pull request incrementally with one additional commit since the last revision:
> 
>   removed commented line

Marked as reviewed by kizune (Reviewer).

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PR: https://git.openjdk.java.net/jdk/pull/8509