java/nio/file/WatchService/LotsOfEvents.java fails intermittently, observed at OSX platform.

---------System.err:(14/765)----------
java.lang.RuntimeException: Unexpected event 'ENTRY_CREATE'
at LotsOfEvents.drainAndCheckOverflowEvents(LotsOfEvents.java:116)
at LotsOfEvents.testOverflowEvent(LotsOfEvents.java:83)
at LotsOfEvents.main(LotsOfEvents.java:45)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at com.sun.javatest.regtest.agent.MainActionHelper$AgentVMRunnable.run(MainActionHelper.java:298)
at java.lang.Thread.run(Thread.java:750)

JavaTest Message: Test threw exception: java.lang.RuntimeException
JavaTest Message: shutting down test

result: Failed. Execution failed: `main' threw exception: java.lang.RuntimeException: Unexpected event 'ENTRY_CREATE'


test result: Failed. Execution failed: `main' threw exception: java.lang.RuntimeException: Unexpected event 'ENTRY_CREATE