[telemetry] Cleanups for benchmarks importing page sets.

tools/telemetry/telemetry/page/page_set_unittest.py

 # Copyright 2012 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 os
 import tempfile
 import unittest
 
 from telemetry.core import util
 from telemetry.page import page_set
@@ skipping 27 matching lines @@
       real_absolute_dir = os.path.realpath(absolute_dir)
       self.assertEquals(ps.serving_dirs, set([real_directory_path,
                                               real_absolute_dir]))
     finally:
       os.rmdir(directory_path)
 
   def testSuccesfulPythonPageSetLoading(self):
     test_pps_dir = os.path.join(util.GetUnittestDataDir(), 'test_page_set.py')
     pps = page_set.PageSet.FromFile(test_pps_dir)
     self.assertEqual('TestPageSet', pps.__class__.__name__)
-    self.assertEqual('A pageset for testing purpose', pps.description)
+    self.assertEqual('A pageset for testing purpose', pps.Description())
     self.assertEqual('data/test.json', pps.archive_data_file)
     self.assertEqual('data/credential', pps.credentials_path)
     self.assertEqual('desktop', pps.user_agent_type)
     self.assertEqual(test_pps_dir, pps.file_path)
     self.assertEqual(3, len(pps.pages))
     google_page = pps.pages[0]
     self.assertEqual('https://www.google.com', google_page.url)
     self.assertIs(pps, google_page.page_set)
     self.assertTrue(5, google_page.RunGetActionRunner(action_runner=5))
 
@@ skipping 12 matching lines @@
     test_pps_dir = os.path.join(util.GetUnittestDataDir(), 'test_page_set.py')
     pps = page_set.PageSet.FromFile(test_pps_dir)
     internal_page = pps.pages[1]
     external_page = pps.pages[2]
     self.assertEqual(
       os.path.normpath(os.path.join(
         util.GetUnittestDataDir(), 'bar.html')), internal_page.file_path)
     self.assertEqual(
       os.path.normpath(os.path.join(
         util.GetUnittestDataDir(), 'pages/foo.html')), external_page.file_path)