Telemetry: Exclude techcrunch.com from power.top_25

tools/perf/benchmarks/power.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.
 
 from telemetry import benchmark
 
 from benchmarks import silk_flags
 from measurements import power
 import page_sets
 
@@ skipping 34 matching lines @@
 @benchmark.Enabled('mac')
 class PowerTop10(benchmark.Benchmark):
   """Top 10 quiescent power test."""
   test = power.QuiescentPower
   page_set = page_sets.Top10PageSet
   @classmethod
   def Name(cls):
     return 'power.top_10'
 
 
-@benchmark.Disabled()  # crbug.com/489214
+@benchmark.Enabled('mac')
 class PowerTop25(benchmark.Benchmark):
   """Top 25 quiescent power test."""
   test = power.QuiescentPower
   page_set = page_sets.Top25PageSet
   @classmethod
   def Name(cls):
     return 'power.top_25'
+
+  def CreateUserStorySet(self, _):
+    # Exclude techcrunch.com. It is not suitable for this benchmark because it
+    # does not consistently become quiescent within 60 seconds.
+    user_stories = self.page_set()
+    found = next((x for x in user_stories if 'techcrunch.com' in x.url), None)
+    if found:
+      user_stories.RemoveUserStory(found)
+    return user_stories