@Ignore("impl_cssSet API removed")
 @Test
 public void cannotSpecifyShowingViaCSS() {
   //        box.impl_cssSet("-fx-showing", true);
   assertFalse(box.isShowing());
 }
 @Test
 public void showDoesntWorkWhenDisabled() {
   box.setDisable(true);
   box.show();
   assertFalse(box.isShowing());
 }
 @Test
 public void showingCanBeSet() {
   box.show();
   assertTrue(box.isShowing());
 }
 @Test
 public void showingCanBeCleared() {
   box.show();
   box.hide();
   assertFalse(box.isShowing());
 }
 /**
  * ******************************************************************* Tests for showing property
  * * ******************************************************************
  */
 @Test
 public void showingIsFalseByDefault() {
   assertFalse(box.isShowing());
 }