RFR: 8283245: Create a test for JDK-4670319 [v2]

[Sergey Bylokhov]

On Thu, 7 Apr 2022 08:18:21 GMT, Srinivas Mandalika <smandalika at openjdk.org> wrote:

>> Write an automated regression test for  JDK-4670319
>> 
>> Issue
>> When a JTree node is expanded or collapsed, an Accessibility PropertyChange event is fired with the old state of "collapsed" and new state of "expanded" (or vice versa). The problem is that the source of the event is the AccessibeJTree, and not the AccessibleJTreeNode. This means that an assistive technology listening to this event is unable to report to the user what node was expanded/collapsed.
>> 
>> Fix
>> Fix for [JDK-4670319](https://bugs.openjdk.java.net/browse/JDK-4670319) addresses the above issue.  When tree node is expanded/collapsed, PropertyChangeEventSource is the Node.
>> This review is for a test for validating the above issue.
>> 
>> This review is for migrating tests from a closed test suite to open.
>> 
>> Testing:
>> The test ran successfully on Mach5 with multiple runs (30) on windows-x64, linux-x64 and macos-x64.
>
> Srinivas Mandalika has updated the pull request incrementally with two additional commits since the last revision:
> 
>  - Review Comments Fixed: 80 characters line fixed, typo in File Name fixed
>  - Review Comments Fixed: 80 characters line fixed, typo in File Name fixed

Marked as reviewed by serb (Reviewer).

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PR: https://git.openjdk.java.net/jdk/pull/8012