[Findit] Re-org code.

appengine/findit/gae_libs/model/test/versioned_model_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.
 
 from google.appengine.api import datastore_errors
 from google.appengine.ext import ndb
 
 from testing_utils import testing
 
-from model.versioned_model import VersionedModel
+from gae_libs.model.versioned_model import VersionedModel
 
 
 class _Entity(VersionedModel):
   value = ndb.IntegerProperty(indexed=False)
 
 
 class VersionedModelTest(testing.AppengineTestCase):
 
   def testGetRootModel(self):
     root_model_class = _Entity._GetRootModel()
@@ skipping 170 matching lines @@
         raise datastore_errors.BadRequestError()
       return original_ndb_transaction(func, **options)
     self.mock(ndb, 'transaction', MockNdbTransaction)
 
     entity = _Entity.Create()
     key, saved = entity.Save()
     expected_key = ndb.Key('_EntityRoot', 1, '_Entity', 1)
     self.assertEqual(expected_key, key)
     self.assertEqual([1], calls)
     self.assertTrue(saved)