8221902: PIT: javax/swing/JRadioButton/FocusTraversal/FocusTraversal.java fails on ubuntu

Reviewed-by: serb

Author: prsadhuk

test/jdk/ProblemList.txt

@@ -851,7 +851,6 @@ javax/swing/JEditorPane/6917744/bug6917744.java 8213124 macosx-all
 javax/swing/JTable/6263446/bug6263446.java 8169959 macosx-all
 javax/swing/JTree/6263446/bug6263446.java 8213125 macosx-all
 javax/swing/JTree/8003400/Test8003400.java 8197560 macosx-all,linux-all
-javax/swing/JRadioButton/FocusTraversal/FocusTraversal.java 8221902 linux-all,macosx-all
 javax/swing/ToolTipManager/Test6256140.java 8233560 macosx-all
 javax/swing/text/View/8014863/bug8014863.java 8233561 macosx-all
 javax/swing/text/StyledEditorKit/4506788/bug4506788.java 8233561 macosx-all

test/jdk/javax/swing/JRadioButton/FocusTraversal/FocusTraversal.java

@@ -134,6 +134,8 @@ public void run() {
     private static void runTestCase() throws Exception {
         focusOn(a);
 
+        robot.waitForIdle();
+        robot.delay(500);
         robot.keyPress(KeyEvent.VK_ENTER);
         robot.keyRelease(KeyEvent.VK_ENTER);
         robot.waitForIdle();
@@ -189,6 +191,7 @@ private static boolean tryLookAndFeel(String lookAndFeelString)
                 | IllegalAccessException e) {
             return false;
         }
+        System.out.println("Testing lookAndFeel " + lookAndFeelString);
         return true;
     }