RFR: 6972078: Can not select single directory with GTKLookAndFeel [v2]

[Abhishek Kumar]

On Thu, 27 Oct 2022 09:27:00 GMT, Prasanta Sadhukhan <psadhukhan at openjdk.org> wrote:

> > > Can you also please test it works ok (or atleast not regress) for other selection mode FILES_ONLY, DIRECTORIES_ONLY in the test?
> > 
> > 
> > Verified for file selection mode of `DIRECTORIES_ONLY`, test passed for all LAFs.
> > In case of selection mode of `FILES_ONLY`, test is failing for all LAFs. The reason behind this is we are trying to select `Directory `when selection mode is set to `FILES_ONLY`.
> 
> I guess you can see in folders where you have only files...Testwise, maybe use File.createTempFile for creating files and see..

I have checked manually, it is possible to select single or multiple file when selection mode is `FILES_ONLY` for all LAFs. 

I will try to update test file.

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PR: https://git.openjdk.org/jdk/pull/10866