def get(self):
        return super(File, self).get()
Return a rels_elm mock that will be returned from
dataset/ETHPy150Open contextio/Python-ContextIO/contextio/lib/resources/file.py/File.get--crossover with--dataset/ETHPy150Open python-openxml/python-docx/tests/opc/test_rel.py/DescribeRelationships.rels_elm