def METHOD_NAME() -> None:
    E = enum.Enum("E", "a b")
    x: E = E.a
    if x is E.a:
        pass
    else:
        with pytest.raises(AssertionError):
            assert_never(x)  # type: ignore[arg-type]
    if x is E.a:
        pass
    elif x is E.b:
        pass
    else:
        assert_never(x)