The test fails with the following log on Linux in 8u

----------System.out:(7/94)----------
frame.windowActivated
e.id=1004
e.id=403
e.id=403
e.id=404
e.id=403
Timeout refired 240 times
----------System.err:(1/86)----------

"MainThread" #11 prio=5 os_prio=0 tid=0x0000790754148000 nid=0x11771 in Object.wait() [0x0000790718b25000]
   java.lang.Thread.State: WAITING (on object monitor)
        at java.lang.Object.wait(Native Method)
        - waiting on <0x00000000f5b60a50> (a java.awt.EventQueue$1AWTInvocationLock)
        at java.lang.Object.wait(Object.java:502)
        at java.awt.EventQueue.invokeAndWait(EventQueue.java:1343)
        - locked <0x00000000f5b60a50> (a java.awt.EventQueue$1AWTInvocationLock)
        at java.awt.EventQueue.invokeAndWait(EventQueue.java:1324)
        at FunctionKeyTest.main(FunctionKeyTest.java:111)
        at …
        at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:127)
        at java.lang.Thread.run(Thread.java:750)

"AWT-EventQueue-0" #15 prio=6 os_prio=0 tid=0x00007906f0137800 nid=0x11776 waiting on condition [0x0000790718348000]
   java.lang.Thread.State: WAITING (parking)
        at sun.misc.Unsafe.park(Native Method)
        - parking to wait for <0x00000000f5951ec0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at java.util.concurrent.CyclicBarrier.dowait(CyclicBarrier.java:234)
        at java.util.concurrent.CyclicBarrier.await(CyclicBarrier.java:362)
        at FunctionKeyTest$FunctionKeyTester.handleEvent(FunctionKeyTest.java:163)
        at java.awt.Window.postEvent(Window.java:2755)
        at java.awt.Component.postEvent(Component.java:5204)
        at java.awt.Component.dispatchEventImpl(Component.java:4905)
        at java.awt.Component.dispatchEvent(Component.java:4711)
        at …
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
        at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)