public void testCardLayout() throws Exception {
   JComponent rootComponent = getInstrumentedRootComponent("TestCardLayout.form", "BindingTest");
   assertTrue(rootComponent.getLayout() instanceof CardLayout);
   CardLayout cardLayout = (CardLayout) rootComponent.getLayout();
   assertEquals(10, cardLayout.getHgap());
   assertEquals(20, cardLayout.getVgap());
 }