def METHOD_NAME(self):
    # load a cube with two fields
    cube = iris.load(
        tests.get_data_path(
            (
                "NIMROD",
                "uk2km",
                "WO0000000003452",
                "201007020900_u1096_ng_ey00_visibility0180_screen_2km",
            )
        )
    )
    self.assertCML(cube, ("nimrod", "load_2flds.cml"))