RFR: 8306996: Open source Swing MenuItem related tests [v3]

[Prasanta Sadhukhan]

On Thu, 11 May 2023 08:45:09 GMT, Abhishek Kumar <abhiscxk at openjdk.org> wrote:

>> test/jdk/javax/swing/JMenuItem/bug4966168.java line 26:
>> 
>>> 24: /*  @test
>>> 25:     @bug 4966168
>>> 26:     @summary JInternalFrame not serializable in Motif & GTK L&F
>> 
>> I dont see the test being tested for Motif & GTK which are not default L&F...Probably we should iterate for all L&F just to be sure..
>> Also, all `throw new Error` should ideally be changed to `throw new RuntimeException` for all tests in this PR..
>
> After modifying the test to run in all L&F, CI failure observed for linux and linux-aarch machine with the exception 
> `javax.swing.UnsupportedLookAndFeelException: [GTK look and feel - com.sun.java.swing.plaf.gtk.GTKLookAndFeel] not supported on this platform`.
> 
> On my local machine (Oracle Linux) test passed for all LAFs.

It probably needs headful tag for that.
Also, you should `continue` for UnsupportedLookAndFeelException...and not fail, just print a message and continue to next L&F

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PR Review Comment: https://git.openjdk.org/jdk/pull/13822#discussion_r1190886666