test: adapt to mercurial changes
Changeset 816be4ca4ae2 in core make hg config return non-zero when no value
match the filter.
--- a/tests/test-tutorial.t Wed Sep 17 13:38:24 2014 -0700
+++ b/tests/test-tutorial.t Mon Sep 22 17:24:23 2014 -0700
@@ -512,6 +512,7 @@
$ cd ../remote
$ hg -R ../local/ showconfig phases
+ [1]
the localrepo does not have any specific configuration for `phases.publish`. It
is ``true`` by default.