Add test for git-svn with submodule/merge layout.

tests/upload-local-tracking-branch.sh

 #!/bin/bash
 
+# Copyright (c) 2012 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
 set -e
 
 . ./test-lib.sh
 
 setup_initgit
 setup_gitgit
 
 (
   set -e
   cd git-git
   git checkout -q -b work HEAD^
   git checkout -q -t -b work2 work
   echo "some work done on a branch that tracks a local branch" >> test
   git add test; git commit -q -m "local tracking branch work"
 
   git config rietveld.server localhost:8080
 
   # Prevent the editor from coming up when you upload.
   export EDITOR=$(which true)
   test_expect_success "upload succeeds (needs a server running on localhost)" \
     "$GIT_CL upload -m test | grep -q 'Issue created'"
 )
 SUCCESS=$?
 
 cleanup
 
 if [ $SUCCESS == 0 ]; then
   echo PASS
 fi