def setUp(self):
        self.simple = data_dir / "pds3" / "simple_image_1.lbl"
        rawurl = "https://raw.githubusercontent.com/planetarypy/pvl/main/"
        self.url = rawurl + str(self.simple)
        self.simplePVL = pvl.PVLModule(
            {
                "PDS_VERSION_ID": "PDS3",
                "RECORD_TYPE": "FIXED_LENGTH",
                "RECORD_BYTES": 824,
                "LABEL_RECORDS": 1,
                "FILE_RECORDS": 601,
                "^IMAGE": 2,
                "IMAGE": pvl.PVLObject(
                    {
                        "LINES": 600,
                        "LINE_SAMPLES": 824,
                        "SAMPLE_TYPE": "MSB_INTEGER",
                        "SAMPLE_BITS": 8,
                        "MEAN": 51.67785396440129,
                        "MEDIAN": 50.0,
                        "MINIMUM": 0,
                        "MAXIMUM": 255,
                        "STANDARD_DEVIATION": 16.97019,
                        "CHECKSUM": 25549531,
                    }
                ),
            }
        )