@Test
 public void testLayoutTypeRegistration() {
   LayoutTypeDefinition layoutTypeDef =
       service.getLayoutTypeDefinition("testCategory", "myLayoutType");
   assertNotNull(layoutTypeDef);
   assertEquals("myLayoutType", layoutTypeDef.getName());
 }
 @Test
 public void testLayoutTypeAliases() {
   LayoutTypeDefinition testLayoutType =
       service.getLayoutTypeDefinition("testCategory", "myLayoutType");
   assertNotNull(testLayoutType);
   assertEquals("myLayoutType", testLayoutType.getName());
   LayoutTypeDefinition oldTestLayoutType =
       service.getLayoutTypeDefinition("testCategory", "myLayoutTypeAlias");
   assertNotNull(oldTestLayoutType);
   assertEquals("myLayoutType", oldTestLayoutType.getName());
 }