def METHOD_NAME(self):
    json_file = tempfile.mktemp()
    with open(json_file, "w") as fp:
        fp.write('{"this": "that", "list": [1,2,3]}')
    kobj = BaseObj.from_json(json_file)
    output = kobj.dump()
    desired_output = {"this": "that", "list": [1, 2, 3]}
    self.assertEqual(output, desired_output)