'$INCLUDE and $GENERATE raise NotImplementedError.'

def test_invalidDirectives(self):

    for directive in ('$INCLUDE', '$GENERATE'):
        with self.assertRaises(NotImplementedError) as e:
            self.loadBindString((directive + '    doesNotMatter'))
        self.assertEqual(nativeString((directive + '    directive    not    implemented')), e.exception.args[0])
