@Test
 public void defaultConstructorCanChangeSeparatorOrientation() {
   Separator sep = (Separator) (smi.getContent());
   sep.setOrientation(Orientation.VERTICAL);
   assertEquals(Orientation.VERTICAL, sep.getOrientation());
 }
 @Test
 public void defaultConstructorShouldBeHorizontalSeparator() {
   Separator sep = (Separator) (smi.getContent());
   assertEquals(Orientation.HORIZONTAL, sep.getOrientation());
 }