RFR: 8307311: Timeouts on one macOS 12.6.1 host of two Swing JTableHeader tests

[Damon Nguyen]

On Wed, 17 May 2023 07:06:01 GMT, Prasanta Sadhukhan <psadhukhan at openjdk.org> wrote:

> Issue was bug6889007.java was causing a timeout issue on mac system.  Although bug6889007.java fail with small test group with "Wrong cursor type" error, it could not reproduce bug6884066.java 
> The hang issue might be due to waitForIdle() being called in loop which will be calling sync() so replaced with delay..
> 
> Modified fix passed the suggested small test group `desktop_timeout ` several times in all platforms 
> in addition to several iterations of the test run in standalone mode in all platforms..

Changes seem fair to me. Tested on my local 13.3.1 Mac device. I'm slightly weary of the set delay since some machines may need longer, but since the action is repeated so often, it makes sense to keep it short.

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Marked as reviewed by dnguyen (Committer).

PR Review: https://git.openjdk.org/jdk/pull/14026#pullrequestreview-1434889699