test-annotate: fix up expected output for pure
This is just a side effect of surfacing the "revisions were skipped"
state in the blame output.
Differential Revision: https://phab.mercurial-scm.org/D956
$ echo "[extensions]" >> $HGRCPATH
$ echo "mq=" >> $HGRCPATH
$ hg init
$ echo 'base' > base
$ hg ci -Ambase
adding base
$ hg qnew -mmqbase mqbase
$ hg qsave
$ hg qrestore 2
restoring status: hg patches saved state