/** Test properties */
 public void testProperties() {
   urlNode.properties();
   NodeUtils.closeProperties("url"); // NOI18N
 }
 /** Test delete */
 public void testDelete() {
   urlNode.delete();
   NodeUtils.closeConfirmDeleteDialog();
 }
 /** Test rename */
 public void testRename() {
   urlNode.rename();
   NodeUtils.closeRenameDialog();
 }
 /** Test copy */
 public void testCopy() {
   Object clipboard1 = Toolkit.getDefaultToolkit().getSystemClipboard().getContents(null);
   urlNode.copy();
   NodeUtils.testClipboard(clipboard1);
 }