RFR: 8316931: [macos14] Test "java/awt/TrayIcon/ShowAfterDisposeTest/ShowAfterDisposeTest.html" throws and exception on Mac OS 14(x64, aarch64)

Tue Jan 9 21:12:32 UTC 2024

SunToolkit.java is trying to post an event on the TrayIcon appContext, but the TrayIcon was already removed by the test, causing an error. The fix is to make SunToolkit skip posting the event if appContext is null. The test is also updated to remove applet usage and use PassFailJFrame instead.

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Commit messages:
 - removed applet usage in test, fixed event posted on wrong app context bug

Changes: https://git.openjdk.org/jdk/pull/17329/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=17329&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8316931
  Stats: 274 lines in 3 files changed: 36 ins; 206 del; 32 mod
  Patch: https://git.openjdk.org/jdk/pull/17329.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/17329/head:pull/17329

PR: https://git.openjdk.org/jdk/pull/17329