If you learnt Postman a few years ago and have been coasting on that knowledge, an uncomfortable amount of it is now wrong — not "slightly dated" wrong, but "the tab you're looking for doesn't exist" wrong.
I know because I wrote a Postman guide in 2022 and recently rewrote it as a full book. Here's the changelog of everything that broke, moved, or appeared — the field guide I wish I'd had.
1. The Tests tab is gone
The old Tests and Pre-request Script tabs were merged into a single Scripts tab with two sections: Pre-request (runs before the request) and Post-response (runs after — this is where your tests live now).
Your code is unchanged — same pm.test, same Chai assertions, same snippets — only the geography moved:
