RFR: 8169475 : WheelModifier.java fails by timeout

Fri Oct 20 07:04:55 UTC 2023

Hi Reviewers,

I have added additional CountDownLatch for making sure button is visible before proceeding,(observe this was one of the key reason for failure) so this helps to improve test case stability. Modified _await()_ function by adding 1sec timeout with exception, this will help to reduce total execution time in case of failure. 
Please review and let me know your suggestions, if any.

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Commit messages:
 - Removed unused package
 - Added frame dispose
 - Removed realSync()
 - Updated function call and added frame dispose
 - JDK-8169475 : WheelModifier.java fails by timeout

Changes: https://git.openjdk.org/jdk/pull/16281/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=16281&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8169475
  Stats: 56 lines in 1 file changed: 37 ins; 9 del; 10 mod
  Patch: https://git.openjdk.org/jdk/pull/16281.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/16281/head:pull/16281

PR: https://git.openjdk.org/jdk/pull/16281