def test_should_return_none_for_defaults(self):
        default_spec = {
            'type': 'defaults',
            'spec_type': 'property',
            'functional': True
        }

        assert 'property' not in self.spec_parser._defaults
        assert self.spec_parser.parse_statement(default_spec) is None
        assert 'property' in self.spec_parser._defaults
        assert 'functional' in self.spec_parser._defaults['property']._values
Builds approval object urn.
dataset/ETHPy150Open StartTheShift/thunderdome/thunderdome/tests/test_spec.py/SpecParserTest.test_should_return_none_for_defaults--crossover with--dataset/ETHPy150Open google/grr/grr/lib/aff4_objects/security.py/GrantClientApprovalFlow.BuildApprovalUrn