RFR: JDK-8299052: ViewportOverlapping test fails intermittently on Win10 & Win11

[Harshitha Onkar]

On Wed, 21 Dec 2022 01:12:12 GMT, Jaikiran Pai <jpai at openjdk.org> wrote:

>> ViewportOverlapping was failing intermittently on Windows (Win10 & 11). Added robot.setAutoWaitForIdle() to ViewportOverlapping and its base class (OverlappingTestBase) to stabilize the test.
>> 
>> Additionally added awt & swings tests to exclusiveAccess.dir in TEST.ROOT.
>
> test/jdk/TEST.ROOT line 36:
> 
>> 34: com/sun/net/httpserver/simpleserver \
>> 35: java/awt \
>> 36: javax/swing
> 
> Hello Harshitha, I don't have any knowledge of the client area, but I see that there are a large number of tests that are present in `test/jdk/java/awt` and `test/jdk/javax/swing`. Adding these 2 directories to `exclusiveAccess.dirs` would mean that none of the tests in `java/awt` will be run when any other test in `java/awt` is currently in progress. Same with the `javax/swing` directory. So it could increase the duration of the tiers in which these tests run. Is there a CI run which shows if this changes the test run duration drastically?

@jaikiran Thank you for the details. I'll check if the duration of run differed drastically. I thought all the client tests run in non-concurrent mode by default or does this differ for headful and headless test?

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PR: https://git.openjdk.org/jdk/pull/11747