Access to “req” Object in Supertest After a Response

Is there any way to directly access the req object in supertest, while/after the request is being tested? I want to test my passport strategies, so I want to check req.user, req.session, and perhaps others. I know I can test page redirects or flash, as those are what my strategies do, but it seems useful to see if there is a user on the req object, as well. If I do this, I can also check how many users there are at any one time.

supertest test express middleware

found the following hint on how to test middleware in express:
I was wondering why my tests were always passing. Until I noticed that when i copied the test from express they behaved the same. I tried screwing them up but they keep passing: