Some changes to allow recipes and modules to live noncentrally

scripts/slave/recipe_modules/auto_bisect/bisector_test.py

 # Copyright 2015 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.
 
 import os
 import sys
 import unittest
 
 # TODO(robertocn): Use abspath for these, to prevent relative path errors.
-_RECIPE_MODULES_DIR = os.path.join(os.path.dirname(__file__), os.path.pardir)
 # For the importing of mock.
 _ROOT_DIR = os.path.join(os.path.dirname(__file__), os.path.pardir,
                          os.path.pardir, os.path.pardir, os.path.pardir)
 
-sys.path.append(_RECIPE_MODULES_DIR)
 sys.path.append(os.path.join(_ROOT_DIR, 'third_party', 'mock-1.0.1'))
 
 import mock
 
-from auto_bisect.bisector import Bisector
+from .bisector import Bisector
 
 
 class MockRevisionClass(object):  # pragma: no cover
 
   def __init__(self, rev_string, bisector):
     self.commit_pos = int(rev_string)
     self.revision_string = rev_string
     self.bisector = bisector
     self.previous_revision = None
     self.next_revision = None
@@ skipping 220 matching lines @@
         self.assertTrue(self.called_abort)
 
         # Verifying the side effects of updating the candidate range
         self.assertEqual(r[2], bisector.lkgr)
         self.assertEqual(r[3], bisector.fkbr)
 
 
 # TODO(robertocn): Add test for bisector.check_bisect_finished.
 if __name__ == '__main__':
   unittest.main()  # pragma: no cover