def test_set_attribute(self):
        """
        Test setting attributes of a Null object.

        @raise AssertionError: If the test fails.
        """
        try:
            self.null.attr1 = 'value'
            self.null.attr1.attr2 = 'value'
        except:
            raise AssertionError()

        Test setting attributes of a Null object.

        @raise AssertionError: If the test fails.
        
tests/behavioral_tests/test_null.py