Tre-Oh - How high did you rev it out during your "test drive"
Back in the days of aircooled 911s, the motors were run on a dyno for break in. I believe Porsche still said in the manual there is a break in period but, cmon, if its run on a dyno to red line at the factory, I think its fine.
That said, I have no idea how Porsche prepares/tests the new motors before they are installed. You can't do any harm by actually following the owners manual. So be patient. And enjoy