tst_QDateTime::timeZones() fail on macOS 15

    // Test a gap more than 1'141'707.91-years from 1970, outside ShortData's range,
    // The zone version is non-short in any case, but check it anyway.
    // However, we can only test this if the underlying OS believes CET continues
    // exercising DST indefinitely; Darwin, for example, assumes we'll have all
    // kicked the habit by the end of 2100.
    constexpr int longYear = 1'143'678;
    constexpr qint64 millisInWeek = qint64(7) * 24 * 60 * 60 * 1000;
    if (QDateTime(QDate(longYear, 3, 24), QTime(12, 0), cet).msecsTo(
            QDateTime(QDate(longYear, 3, 31), QTime(12, 0), cet)) < millisInWeek) {
        inGap = QDateTime(QDate(longYear, 3, 27), QTime(2, 30), cet);
        QVERIFY(inGap.isValid());
        QCOMPARE(inGap.date(), QDate(longYear, 3, 27));
        QCOMPARE(inGap.time(), QTime(3, 30));
        QCOMPARE(inGap.offsetFromUtc(), 7200);
    } else {
        qDebug("Skipping far-future check beyond zoned end of DST");
    }