diff -r 1163ff06ce89 -r 2e5476980a57 tests/test-subrepo-git.t
--- a/tests/test-subrepo-git.t	Thu Apr 18 15:27:50 2013 +0200
+++ b/tests/test-subrepo-git.t	Thu Feb 21 21:05:06 2013 +0000
@@ -253,6 +253,7 @@
 (issue3870)
   $ cd ../td/s
   $ git remote set-url origin $TESTTMP/tb/s
+  $ git branch --no-track oldtesting
   $ cd ..
   $ hg pull -q ../tb
   $ hg up