@Test
 public void show() {
   Geoserver gs = new Geoserver();
   GeoserverCommands commands = new GeoserverCommands();
   commands.setGeoserver(gs);
   String url = "http://localhost:8080/geoserver";
   String user = "******";
   String pass = "******";
   commands.set(url, user, pass);
   String expected = "http://localhost:8080/geoserver admin geoserver";
   String actual = commands.show();
   assertEquals(expected, actual);
 }