    @Test
    public void testUnmarshal()
            throws Exception
    {

        for( String srcFile : PREDICTIONS )
        {
            try( InputStream is = getClass().getResourceAsStream( srcFile ) )
            {
                Root root = trackerNetJaxbContext.unmarshall( is );
                assertNotNull( "no root from unmarshall", root );

                assertNotNull( root.getTime() );
                assertNotNull( root.getTime().getTimeStamp() );
                System.out.printf( "%s %s\n", srcFile, root.getTime() );

                List<Station> stations = root.getStations();
                assertFalse( "No stations", stations.isEmpty() );
            }
        }
    }