Fix resolving svn revisions in release scripts.

tools/push-to-trunk/test_scripts.py

 #!/usr/bin/env python
 # Copyright 2013 the V8 project authors. All rights reserved.
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 #       notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
 #       copyright notice, this list of conditions and the following
@@ skipping 1203 matching lines @@
       Cmd("git log -1 --format=%s hash2", "Title2"),
       Cmd(("git log --format=%H --grep=\"Port r23456\" "
            "--reverse origin/master"),
           ""),
       Cmd(("git log --format=%H --grep=\"Port r34567\" "
            "--reverse origin/master"),
           "hash3"),
       Cmd("git svn find-rev hash3 origin/master", "56789"),
       Cmd("git log -1 --format=%s hash3", "Title3"),
       RL("Y"),  # Automatically add corresponding ports (34567, 56789)?
-      Cmd("git svn find-rev r12345 origin/master", "hash4"),
+      Cmd("git svn find-rev r12345 origin/master",
+          "Partial-rebuilding bla\nDone rebuilding blub\nhash4"),
       # Simulate svn being down which stops the script.
       Cmd("git svn find-rev r23456 origin/master", None),
       # Restart script in the failing step.
       Cmd("git svn find-rev r12345 origin/master", "hash4"),
       Cmd("git svn find-rev r23456 origin/master", "hash2"),
       Cmd("git svn find-rev r34567 origin/master", "hash3"),
       Cmd("git svn find-rev r45678 origin/master", "hash1"),
       Cmd("git svn find-rev r56789 origin/master", "hash5"),
       Cmd("git log -1 --format=%s hash4", "Title4"),
       Cmd("git log -1 --format=%s hash2", "Title2"),
@@ skipping 429 matching lines @@
 
 Review URL: https://codereview.chromium.org/83173002
 
 ------------------------------------------------------------------------""")
     self.assertEquals(
 """Prepare push to trunk.  Now working on version 3.23.11.
 
 R=danno@chromium.org
 
 Committed: https://code.google.com/p/v8/source/detail?r=17997""", body)