[telemetry] Update examples so they work.

tools/perf/page_sets/presubmit_unittest.py

 # Copyright 2013 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 collections
 import os
 import sys
 import unittest
 
 PERF_ROOT = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
@@ skipping 41 matching lines @@
     pass
 
 
 PRESUBMIT.LoadSupport(InputAPIStub([]))   # do this to support monkey patching
 
 class PresubmitTest(unittest.TestCase):
   def setUp(self):
     success_file_hash = 'da39a3ee5e6b4b0d3255bfef95601890afd80709'
 
     self._stubs = system_stub.Override(
-        PRESUBMIT, ['cloud_storage', 'open', 'os'])
+        PRESUBMIT, ['cloud_storage', 'open', 'os', 'raw_input'])
+    self._stubs.raw_input.input = 'public'
     # Files in Cloud Storage.
     self._stubs.cloud_storage.remote_paths = [
         'skip'.zfill(40),
     ]
     # Local data files and their hashes.
     self._stubs.cloud_storage.local_file_hashes = {
         '/path/to/skip.wpr': 'skip'.zfill(40),
         '/path/to/success.wpr': success_file_hash,
         '/path/to/wrong_hash.wpr': success_file_hash,
     }
@@ skipping 42 matching lines @@
     self.assertResultCount(results, 1, 0)
     self.assertTrue('valid SHA-1 hash' in str(results[0]), msg=results[0])
 
   def testMissingFile(self):
     results = self._CheckUpload(['/path/to/missing.wpr.sha1'])
     self.assertResultCount(results, 1, 0)
     self.assertTrue('not found' in str(results[0]), msg=results[0])
 
   def testSkip(self):
     results = self._CheckUpload(['/path/to/skip.wpr.sha1'])
-    self.assertResultCount(results, 0, 1)
-    self.assertTrue('skipping' in str(results[0]), msg=results[0])
+    self.assertResultCount(results, 0, 0)
 
   def testSuccess(self):
     results = self._CheckUpload(['/path/to/success.wpr.sha1'])
     self.assertResultCount(results, 0, 1)
     self.assertTrue('Uploaded' in str(results[0]), msg=results[0])
 
   def testWrongHash(self):
     results = self._CheckUpload(['/path/to/wrong_hash.wpr.sha1'])
     self.assertTrue('does not match' in str(results[0]), msg=results[0])
 
 
 if __name__ == '__main__':
   unittest.main()