test: update topic test output for indexing change Changeset 61f36480740f in topic updated the indexing scheme, we update the test to take this into account.

syntax: re
/figures/[^/]+\.png$
^html/
\.pyc$
~$
\.swp$
\.orig$
\.rej$
\.err$
^tests/easy_run.sh$
^build/
^MANIFEST$
^docs/tutorials/.*\.rst$
\.ico$