test-update: update hg update output in test files
Following hg revision 1b5c61d38a52, hg update now show the commit to which we
updated in case of multiple heads. test-obsolete.t and test-sharing.t falls in
these situations, acknowledge the new outputted line.
syntax: re
/figures/[^/]+\.png$
^html/
\.pyc$
~$
\.swp$
\.orig$
\.rej$
\.err$
^tests/easy_run.sh$
^build/
^dist/
^MANIFEST$
^docs/tutorials/.*\.rst$
\.ico$
tests/\.testtimes