[Findit] Factoring the gitiles (etc) stuff out into its own directory

appengine/findit/common/test/dependency_test.py

 # 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 unittest
 
-from common.dependency import Dependency
-from common.dependency import DependencyRoll
+from common.dependency import Dependency, DependencyRoll
 
 
 class DependencyTest(unittest.TestCase):
   def testParentChild(self):
     parent = Dependency(
         'a/', 'https://cr.googlesource.com/cr/a.git', '12a', 'DEPS')
     child = Dependency(
         'a/b/', 'https://cr.googlesource.com/cr/b.git', '12b', 'DEPS')
 
     child.SetParent(parent)
@@ skipping 41 matching lines @@
         'third_party/dep/', 'https://cr.googlesource.com/cr/dep.git',
         'rev1', 'rev2')
     expected_dep_roll_dict = {
         'path': 'third_party/dep/',
         'repo_url': 'https://cr.googlesource.com/cr/dep.git',
         'old_revision': 'rev1',
         'new_revision': 'rev2',
     }
 
     self.assertEqual(expected_dep_roll_dict, dep_roll.ToDict())