If you are going to launch a product on Amazon you should launch it, not just test launch it.
A test means you are not fully committed, and when someone is not fully committed things tend to not have enough effort put into them.
And DO NOT create your listings a month before your product is ready, because your listing creation date your be timestamped in the Amazon catalog
Make sure to listen to the episode.
As for the link promised for my speech in Edmonton here, it is:
https://www.meetup.com/Amazon-Sellers-Meetup-AMZ-One-Step/events/267957045/