RFR: JDK-8282933: Create a test for JDK-4529616 [v4]

[Sergey Bylokhov]

On Thu, 7 Apr 2022 07:02:18 GMT, Srinivas Mandalika <smandalika at openjdk.org> wrote:

>> JDK-8282933: Create a test for JDK-4529616 
>> AccessibleJTableCell.isShowing() returns false when the cell is actually on
>> the screen.
>> The test validates the fix for the above issue by verifying that the isShowing call returns true when invoked via the  accessiblity context.
>> This review is for migrating tests from a closed test suite to open.
>
> Srinivas Mandalika has updated the pull request incrementally with one additional commit since the last revision:
> 
>   8282933: Whitespace issue fixed

Marked as reviewed by serb (Reviewer).

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PR: https://git.openjdk.java.net/jdk/pull/7783