Fix import order with isort tool.

tools/telemetry/telemetry/results/page_test_results_unittest.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 os
 
 from telemetry.page import page_set
 from telemetry.results import base_test_results_unittest
 from telemetry.results import page_test_results
 from telemetry.value import failure
-from telemetry.value import skip
 from telemetry.value import histogram
 from telemetry.value import scalar
+from telemetry.value import skip
 
 
 class PageTestResultsTest(base_test_results_unittest.BaseTestResultsUnittest):
   def setUp(self):
     self.page_set = page_set.PageSet(file_path=os.path.dirname(__file__))
     self.page_set.AddPageWithDefaultRunNavigate("http://www.bar.com/")
     self.page_set.AddPageWithDefaultRunNavigate("http://www.baz.com/")
     self.page_set.AddPageWithDefaultRunNavigate("http://www.foo.com/")
 
   @property
@@ skipping 151 matching lines @@
     results.AddValue(value2)
     results.DidRunPage(self.pages[1])
 
     results.WillRunPage(self.pages[2])
     value3 = scalar.ScalarValue(self.pages[2], 'a', 'seconds', 3)
     results.AddValue(value3)
     results.DidRunPage(self.pages[2])
 
     self.assertEquals(
         [value1, value2, value3], results.all_page_specific_values)