How to use the pytmx.TiledElement function in PyTMX

def test_from_xml_string_should_raise_on_TiledElement(self):
        with self.assertRaises(AttributeError):
            TiledElement.from_xml_string("<element></element>")

def setUp(self):
        self.element = TiledElement()

def test_reserved_names_check_disabled_with_option(self):
        """ Reserved names are checked from any attributes in the instance
            after it is created.  Instance attributes are defaults from the
            specification.  We check that new properties are not named same
            as existing attributes.

            Check that passing an option will disable the check
        """
        pytmx.TiledElement.allow_duplicate_names = True
        self.element.name = 'foo'
        items = {'name': None}
        result = self.element._contains_invalid_property_name(items.items())
        self.assertFalse(result)

def test_reserved_names_check_disabled_with_option(self):
        pytmx.TiledElement.allow_duplicate_names = False
        pytmx.TiledMap(allow_duplicate_names=True)
        self.assertTrue(pytmx.TiledElement.allow_duplicate_names)