def METHOD_NAME() -> None:
    diff = diff_param_values(DATASETLEFT, DATASETRIGHT)
    assert diff.changed == {
            "apple": ("orange", "grape"),
            ("correct", "horse"): ("battery", "staple"),
        }
    assert diff.left_only == {
            ("correct", "left"): "only"
        }
    assert diff.right_only == {
            ("correct", "right"): "only",
            ("another", "pi"): 3.1,
        }