Java Version: build 1.6.0-rc-b87 (06/08)
Platforms: linux, solaris, windowsXPpro

Problems:
AWT SWAT Focus and some Events tests are FAIL in b87, but PASS in b86:
AWT/TraversalOperationsTest/TraversalOperationsTest.html
Swing/TraversalOperationTest/TraversalOperationsTest.html
Swing/FocusEventTest/FocusEventTest.html
AWT/FocusEventTest/FocusEventTest.html
AWT/MouseButtonExTest
AWT/KeyMaskTest

The exceptions are following:
Note: /net/cady/export4/awt/awt/src/AWT_Focus/Automated/AWT/FocusEventTest/FocusEventGUI.java uses unchecked or unsafe operations.
Note: Recompile with -Xlint:unchecked for details.
java.lang.RuntimeException: java.lang.reflect.InvocationTargetException
at javasoft.awtsqe.RobotAppletTest.init(Unknown Source)
at com.sun.javatest.regtest.AppletWrapper$AppletThread.run(AppletWrapper.java:57)
at java.lang.Thread.run(Thread.java:619)
Caused by: java.lang.reflect.InvocationTargetException
at java.awt.EventQueue.invokeAndWait(EventQueue.java:998)
... 3 more
Caused by: java.lang.ExceptionInInitializerError
at javasoft.awtsqe.RobotAppletTest.mkMessagePanel(Unknown Source)
at javasoft.awtsqe.RobotAppletTest.initOverallGUI(Unknown Source)
at javasoft.awtsqe.RobotAppletTest.access$000(Unknown Source)
at javasoft.awtsqe.RobotAppletTest$1.run(Unknown Source)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:199)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:598)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:273)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:183)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:173)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:168)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:160)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:121)
Caused by: java.lang.ClassCastException: java.awt.AWTKeyStroke cannot be cast to java.lang.Comparable
at java.util.TreeMap.compare(TreeMap.java:1167)
at java.util.TreeMap.put(TreeMap.java:513)
at java.util.TreeSet.add(TreeSet.java:238)
at java.awt.KeyboardFocusManager.initFocusTraversalKeysSet(KeyboardFocusManager.java:375)
at java.awt.TextArea.<clinit>(TextArea.java:127)
... 12 more
STATUS:Failed.Applet thread threw exception: java.lang.RuntimeException: java.lang.reflect.InvocationTargetException

How to reproduce:
on solaris or linux
1. cd /net/cady.sfbay/export4/awt/awt/src/AWT_Events/Automated/AWT/KeyMaskTest
2. set JAVA_HOME to b87
3. sh script.ksh . $JAVA_HOME/bin/javac $JAVA_HOME/bin/java
you will see the exceptions.
Or use the attached files.