Changing license header, again!

appengine/gce-backend/instances_test.py

 #!/usr/bin/python
 # Copyright 2016 The LUCI Authors. All rights reserved.
-# Use of this source code is governed by the Apache v2.0 license that can be
-# found in the LICENSE file.
+# Use of this source code is governed under the Apache License, Version 2.0
+# that can be found in the LICENSE file.
 
 """Unit tests for instances.py."""
 
 import unittest
 
 import test_env
 test_env.setup_test_env()
 
 from google.appengine.ext import ndb
 
@@ skipping 266 matching lines @@
     ).put()
     models.InstanceTemplateRevision(key=key.parent(), project='project').put()
     expected_urls = ['url/instance-1', 'url/instance-2']
 
     urls = instances.fetch(key)
     self.assertItemsEqual(urls, expected_urls)
 
 
 if __name__ == '__main__':
   unittest.main()