test: reorder asserts arguments

Revert arguments for assert and ensure that the first
argument is always the actual value being tested.

PR-URL: https://github.com/nodejs/node/pull/23534


Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>