Fixed presubmit

tests/masters_recipes_test.py

 #!/usr/bin/env python
 # Copyright 2014 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 json
 import os
 import subprocess
 import sys
 import tempfile
 
 
 BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
 
 
 sys.path.insert(0, os.path.join(BASE_DIR, 'scripts'))
 sys.path.insert(0, os.path.join(BASE_DIR, 'scripts', 'slave', 'recipes'))
 sys.path.insert(
     0, os.path.join(BASE_DIR, 'scripts', 'slave', 'recipe_modules'))
 sys.path.insert(0, os.path.join(BASE_DIR, 'third_party'))
 
 import chromium_trybot
-from chromium.builders import BUILDERS
+from chromium_tests.builders import BUILDERS
 
 
 MAIN_WATERFALL_MASTERS = [
     'master.chromium.chrome',
     'master.chromium.chromiumos',
     'master.chromium.gpu',
     'master.chromium.linux',
     'master.chromium.mac',
     'master.chromium.memory',
     'master.chromium.win',
@@ skipping 200 matching lines @@
     exit_code = 1
     print 'Unused suppressions:'
     print '\n'.join(sorted(
         '\t%s:%s' % (b[0], b[1]) for b in unused_suppressions))
 
   return exit_code
 
 
 if __name__ == '__main__':
   sys.exit(main(sys.argv[1:]))