Policy delegate: attempt to load http://127.0.0.1:8000/navigation/resources/post-target-policy-test.py with navigation type 'back/forward'
Policy delegate: attempt to load http://127.0.0.1:8000/navigation/resources/post-target-policy-test.py with navigation type 'back/forward'

This page was reached via a form POST. After navigating away, there should be no form resubmission nag when navigating back here.