javax/swing/JPopupMenu/8075063/ContextMenuScrollTest.java fails
repeatably on Ubuntu 17.10

---------System.err:(14/907)----------
java.lang.RuntimeException: Popup closes on mouse scroll
at ContextMenuScrollTest.<init>(ContextMenuScrollTest.java:101)
at ContextMenuScrollTest.main(ContextMenuScrollTest.java:64)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:569)
at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:115)
at java.base/java.lang.Thread.run(Thread.java:832)

JavaTest Message: Test threw exception: java.lang.RuntimeException: Popup closes on mouse scroll
JavaTest Message: shutting down test

STATUS:Failed.`main' threw exception: java.lang.RuntimeException: Popup closes on mouse scroll