java/awt/grab/MenuDragEvents/MenuDragEvents.html fails repeatably on Ubuntu 17.10

elapsed time (seconds): 2.123
----------System.out:(0/0)----------
----------System.err:(7/618)----------
java.awt.IllegalComponentStateException: component must be showing on the screen to determine its location
at java.desktop/java.awt.Component.getLocationOnScreen_NoTreeLock(Component.java:2059)
at java.desktop/java.awt.Component.getLocationOnScreen(Component.java:2033)
at MenuDragEvents.start(MenuDragEvents.java:158)
at com.sun.javatest.regtest.agent.AppletWrapper$AppletRunnable.run(AppletWrapper.java:157)
at java.base/java.lang.Thread.run(Thread.java:832)
STATUS:Failed.Applet thread threw exception: java.awt.IllegalComponentStateException: component must be showing on the screen to determine its location
----------rerun:(23/1467)*----------