@Test(groups = {"functional"})
 public void testExtendsAbstract() throws Exception {
   final Definition d = loader.load("pkg1.abstracts.ConcretePrimitive", context);
   assertFalse(ASTHelper.isAbstract(d));
 }
 @Test(groups = {"functional"})
 public void testAbstract() throws Exception {
   final Definition d = loader.load("pkg1.abstracts.AbstractPrimitive", context);
   assertTrue(ASTHelper.isAbstract(d));
 }