RFR: 8299423: JavaFX Mac system menubar leaks

Wed Mar 13 13:36:28 UTC 2024

Based on my previous PR: https://github.com/openjdk/jfx/pull/987
This one only contains the test.
Because it was fixed in some other PR.
But i would like to see the Test being merged, to ensure it never breaks again.

-------------

Commit messages:
 - Added test for JDK-8299423

Changes: https://git.openjdk.org/jfx/pull/1401/files
  Webrev: https://webrevs.openjdk.org/?repo=jfx&pr=1401&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8299423
  Stats: 112 lines in 1 file changed: 112 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jfx/pull/1401.diff
  Fetch: git fetch https://git.openjdk.org/jfx.git pull/1401/head:pull/1401

PR: https://git.openjdk.org/jfx/pull/1401