Fix version check in push-to-trunk.

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 598 matching lines @@
   # Make sure that the increment is 3.22.7.0.
   def testIncrementVersion(self):
     TEST_CONFIG[VERSION_FILE] = self.MakeEmptyTempFile()
     self.WriteFakeVersionFile()
     self._state["last_push_trunk"] = "hash1"
     self._state["latest_build"] = "6"
     self._state["latest_version"] = "3.22.6.0"
 
     self.ExpectGit([
       Git("checkout -f hash1 -- %s" % TEST_CONFIG[VERSION_FILE], ""),
-      Git("checkout -f master -- %s" % TEST_CONFIG[VERSION_FILE], "",
-          cb=lambda: self.WriteFakeVersionFile(22, 6)),
+      Git("checkout -f svn/bleeding_edge -- %s" % TEST_CONFIG[VERSION_FILE],
+          "", cb=lambda: self.WriteFakeVersionFile(22, 6)),
     ])
 
     self.ExpectReadline([
       RL("Y"),  # Increment build number.
     ])
 
     self.RunStep(PushToTrunk, IncrementVersion)
 
     self.assertEquals("3", self._state["new_major"])
     self.assertEquals("22", self._state["new_minor"])
@@ skipping 803 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)