@Test
 public void verifyMacroGood() {
   assertTrue(scanner.verifyMacro(MACRO).isEmpty());
 }
 @Test
 public void verifyMacroBad() {
   assertFalse(scanner.verifyMacro("xyz").isEmpty()); // $NON-NLS-1$
   assertFalse(scanner.verifyMacro("class Xyz {}").isEmpty()); // $NON-NLS-1$
   assertFalse(scanner.verifyMacro("@Macro\nclass Xyz {}").isEmpty()); // $NON-NLS-1$
 }