### Question:
IsochronesRequestHandler extends GenericHandler { public IsochroneMapCollection getIsoMaps() { return isoMaps; } IsochronesRequestHandler(); void generateIsochronesFromRequest(IsochronesRequest request); IsochroneMapCollection getIsoMaps(); IsochroneRequest getIsochroneRequest();  }### Answer:
@Test public void getIsoMapsTest() { IsochronesRequestHandler isochronesRequestHandler = new IsochronesRequestHandler(); Assert.assertNull(isochronesRequestHandler.getIsoMaps()); }