Indiciate the tree status in the rietveld message when bypassing hooks

BUG=none
R=iannucci@chromium.org,maruel@chromium.org

Review URL: https://codereview.chromium.org/130803004

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@244793 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/tests/git_cl_test.py b/tests/git_cl_test.py
index 98ae586..d29dd38 100755
--- a/tests/git_cl_test.py
+++ b/tests/git_cl_test.py
@@ -311,9 +311,10 @@
          'config', 'branch.working.rietveldissue'],), '12345'),
       ((['git', 'config', 'branch.working.rietveldserver'],),
          'codereview.example.com'),
+      ((['git', 'config', 'rietveld.tree-status-url'],), ''),
       (('GitClHooksBypassedCommit',
         'Issue https://codereview.example.com/12345 bypassed hook when '
-        'committing'), None),
+        'committing (tree status was "unset")'), None),
   ]
 
   @classmethod