RFR: 8306996: Open source Swing MenuItem related tests

[Damon Nguyen]

On Fri, 5 May 2023 04:56:22 GMT, Abhishek Kumar <abhiscxk at openjdk.org> wrote:

> This PR is to open source JMenuItem related swing tests.

test/jdk/javax/swing/JMenuItem/bug4839464.java line 29:

> 27:     @summary Shortcoming in the way JMenuItem handles 'propertyChange()' events.
> 28:     @library ../../regtesthelpers
> 29:     @build Util JRobot

I see Util is added but I don't see any Util methods used. Is this needed?

Also, did you try running this test in mach5 after moving it to open? I think you get an error with this ```regtesthelpers``` path since you removed the individual directories for each of these tests and placed them directly into the ```JMenuItem``` dir.

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PR Review Comment: https://git.openjdk.org/jdk/pull/13822#discussion_r1186566265