8196440: Regression automated Test 'java/awt/TrayIcon/PopupMenuLeakTest/PopupMenuLeakTest.java' fails

Reviewed-by: serb, psadhukhan

Author: Alexander Zvegintsev

test/jdk/ProblemList.txt

@@ -221,7 +221,6 @@ java/awt/TrayIcon/TrayIconEvents/TrayIconEventsTest.java 8150540 windows-all
 java/awt/TrayIcon/TrayIconMouseTest/TrayIconMouseTest.java 8150540 windows-all
 java/awt/TrayIcon/TrayIconPopup/TrayIconPopupClickTest.java 8150540 windows-all,macosx-all
 java/awt/TrayIcon/TrayIconPopup/TrayIconPopupTest.java 8150540 windows-all
-java/awt/TrayIcon/PopupMenuLeakTest/PopupMenuLeakTest.java 8196440 linux-all
 
 java/awt/Window/ShapedAndTranslucentWindows/SetShapeAndClick.java 8197936 macosx-all
 java/awt/Window/ShapedAndTranslucentWindows/SetShapeDynamicallyAndClick.java 8013450 macosx-all

test/jdk/java/awt/TrayIcon/PopupMenuLeakTest/PopupMenuLeakTest.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2013, 2021, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -54,6 +54,10 @@ public class PopupMenuLeakTest {
     static final AtomicReference<WeakReference<PopupMenu>> popupWeakReference = new AtomicReference<>();
     static ExtendedRobot robot;
     public static void main(String[] args) throws Exception {
+        if (!SystemTray.isSupported()) {
+            System.out.println("SystemTray not supported. Skipping the test.");
+            return;
+        }
         robot = new ExtendedRobot();
         SwingUtilities.invokeAndWait(PopupMenuLeakTest::createSystemTrayIcon);
         sleep();