@property
    def is_root(self):
        return self._is_root
Test child node lookup
dataset/ETHPy150Open scanny/python-pptx/tests/unitutil/cxml.py/Element.is_root--crossover with--dataset/ETHPy150Open sahana/eden/modules/unit_tests/s3/s3hierarchy.py/S3LinkedHierarchyTests.testChildren