def METHOD_NAME(movies):
    equals = [
        (core.Language("spa", "MX"), core.Language("eng")),
        (core.Language("spa"), core.Language("eng")),
    ]
    language_equals_pool_intance = core.SZProviderPool(
        {"subdivx"}, language_equals=equals
    )
    subs = language_equals_pool_intance.list_subtitles(
        movies["dune"], {core.Language("spa")}
    )
    assert not language_equals_pool_intance.download_best_subtitles(
        subs, movies["dune"], {core.Language("spa")}
    )