[TEST BUG] [macosx] After click "test",the case failed automatically with thrown exception in the log since jdk8b75

Testsuite name: Regression
JDK/JRE tested: JDK8b94(64bit)
OS/architecture: macmini10.7-x64
Reproducible: Always
Reproducible on machine: macmini10.7-x64



Instruction:
This test dedicated ro Nancy and kathleen,testers and bowlers
Press button to test-no exception means pass

Actual behavior:
After click "test",the case failed automatically with thrown exception in the log.

Exception:
java.lang.RuntimeException: Failed: Menu didn't remain posted at end of test
at bug4213634$2$1.run(bug4213634.java:62)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:251)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:735)
at java.awt.EventQueue.access$400(EventQueue.java:97)
at java.awt.EventQueue$3.run(EventQueue.java:688)
at java.awt.EventQueue$3.run(EventQueue.java:685)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:75)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:705)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:220)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:135)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:123)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:119)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:111)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:97)

validation:
mac10.7-x64/8b93(64bit): pass
mac10.7-x64/7u25b14(64bit):pass