tests: fix test-subrepo-paths.t on Python 3
The Python 3 group reference error message is a little more helpful,
so we'll allow the extra output. I tried matching this with an (re)
line, but decided it wasn't worth the effort.
Differential Revision: https://phab.mercurial-scm.org/D3623
--- a/tests/test-subrepo-paths.t Sat May 19 15:53:31 2018 -0400
+++ b/tests/test-subrepo-paths.t Sat May 19 16:02:39 2018 -0400
@@ -55,7 +55,7 @@
> .* = \1
> EOF
$ hg debugsub
- abort: bad subrepository pattern in $TESTTMP/outer/.hg/hgrc:2: invalid group reference
+ abort: bad subrepository pattern in $TESTTMP/outer/.hg/hgrc:2: invalid group reference* (glob)
[255]
$ cd ..