### Question:
PageFormat extends CommonNodeWrapper implements Comparable<PageFormat> { public com.epimorphics.rdfutil.RDFNodeWrapper isFormatOf() { return getPropertyValue( DCTerms.isFormatOf ); } PageFormat( Page page, Resource root ); String label(); MediaType mimeType(); com.epimorphics.rdfutil.RDFNodeWrapper isFormatOf(); @Override int compareTo( PageFormat o );  }### Answer:
@Test public void testIsFormatOf() { assertEquals( "http: }