SmbTreeHandleInternal th = (SmbTreeHandleInternal) f.getTreeHandle();
              SmbSessionInternal session = (SmbSessionInternal) th.getSession() ) {
            Assume.assumeTrue("Not SMB2", th.isSMB2());
            f.exists();
            session.reauthenticate();
            f.exists();
        }
    }


    @Test
    public void testSessionExpiration () throws Exception {