### Question:
XmlServiceProvider implements ServiceProvider { @Override public List<Service> getServiceList() { return services; } XmlServiceProvider(URL url); @Override List<Service> getServiceList(); @Override URL getUrl(String id);  }### Answer:
@Test public void testGetServiceList() { try { URL file_url = new URL("http: XmlServiceProvider sp = new XmlServiceProvider(file_url); sp.getServiceList(); XmlService service = sp.new XmlService(1, "prueba", "prueba", new URL("http: service.getDescription(); service.getIdentifier(); service.getTitle(); service.getURL(); service.compareTo(service); } catch (MalformedURLException ex) { fail("Should not raise exception "+ex.toString()); } catch (ConfigurationException ex) { fail("Should not raise exception "+ex.toString()); } }