### Question:
PageFormat extends CommonNodeWrapper implements Comparable<PageFormat> { public PageFormat( Page page, Resource root ) { super( page, root ); } PageFormat( Page page, Resource root ); String label(); MediaType mimeType(); com.epimorphics.rdfutil.RDFNodeWrapper isFormatOf(); @Override int compareTo( PageFormat o );  }### Answer:
@Test public void testPageFormat() { assertNotNull( pageFormat ); }