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

[Jaikiran Pai]

On Tue, 20 Dec 2022 23:25:30 GMT, Harshitha Onkar <honkar 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?

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