Hey @RobinMartin 
The Scripts section, shows the pre-request and post-response sub tabs.
Scripts opens up on the post-response sub tab by default so if you click on that and had test code within that section, it would have been displayed.
When you first updated it would have shown this view in the request, with the Scripts and Tests in view:
Clicking on either of them would have taken you here and shown you this pop up informing you of the change:
Are you seeing something different?