tests: fixup url tests in test_privacy_urls
tests: fixup url tests in test_privacy_urls

We have two issues. First we were checking always against the
default status_code and not the one we expected, second we can't
assume that integration id is always 1 but update urls with the
current id.

Fix #3957

safwanrahman/readthedocs.org,davidfischer/readthedocs.org,safwanrahman/readthedocs.org,safwanrahman/readthedocs.org,safwanrahman/readthedocs.org,rtfd/readthedocs.org,davidfischer/readthedocs.org,davidfischer/readthedocs.org,davidfischer/readthedocs.org,rtfd/readthedocs.org,rtfd/readthedocs.org,rtfd/readthedocs.org