javax/swing/JFileChooser/DeserializedJFileChooser/DeserializedJFileChooserTest.java fails

This test fails on macos : reported here :
https://bugs.openjdk.java.net/browse/JDK-8152332
but I find it also fails on windows 7

The issues may be different enough to have this as a separate bug.

---------System.err:(6/451)----------
java.lang.NullPointerException
at java.desktop/javax.swing.JFileChooser.isTraversable(JFileChooser.java:1623)
at java.desktop/javax.swing.plaf.basic.BasicDirectoryModel$FilesLoader.run0(BasicDirectoryModel.java:304)
at java.desktop/javax.swing.plaf.basic.BasicDirectoryModel$FilesLoader.run(BasicDirectoryModel.java:279)
at java.base/java.lang.Thread.run(Thread.java:844)
STATUS:Failed.`main' threw exception: java.lang.NullPointerException
----------rerun:(24/2862)*----------