RFR: 8315600: Open source few more headless Swing misc tests [v5]

[Alexey Ivanov]

On Wed, 6 Sep 2023 15:41:47 GMT, Prasanta Sadhukhan <psadhukhan at openjdk.org> wrote:

>> Few more closed swing headless tests are opensourced
>
> Prasanta Sadhukhan has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Indent

test/jdk/javax/swing/undo/bug4992178.java line 1:

> 1: /*

Perhaps, this file, `bug4992178.java`, can be moved into `UndoManager` folder where `bug4706533.java` is put. These two tests are closely related, they test the functionality of `UndoManager.setLimit`.

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PR Review Comment: https://git.openjdk.org/jdk/pull/15582#discussion_r1317503013