Clean up extreme verbosity of logs in test harness.

au_test_harness/dummy_au_worker.py

 # Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """Module containing a fake  au worker class."""
 
 import unittest
 
+import cros_build_lib as cros_lib
+
 import au_worker
 
 class DummyAUWorker(au_worker.AUWorker):
   """AU worker that emulates work for an au_worker without actually doing work.
 
   Collects different updates that would be generated that can be obtained
   from the class object delta_list.
   """
 
   # Class variable that stores the list of payloads that would be needed.
@@ skipping 17 matching lines @@
       src_image_path = self.vm_image_path
       self._first_update = False
 
     # Generate a value that combines delta with private key path.
     val = src_image_path
     if private_key_path: val = '%s+%s' % (val, private_key_path)
     if not self.delta_list.has_key(image_path):
       self.delta_list[image_path] = set([val])
     else:
       self.delta_list[image_path].add(val)