def METHOD_NAME(self):
    """Find local times near DST transitions in the last year.
    This is only intended to be used for testing."""
    day = datetime.datetime.now(tz=self.local).replace(
        minute=15, second=0, microsecond=0)
    dst = day.dst()
    for d in range(365):
        day -= DAY
        if day.dst() == dst:
            continue
        hour = day
        for h in range(25):
            hour += HOUR
            if hour.dst() == dst:
                yield hour
                break
        dst = day.dst()