[telemetry] Cleanups for benchmarks importing page sets.

content/test/gpu/gpu_tests/webgl_robustness.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.
 from telemetry import test
 from telemetry.page import page
 from telemetry.page import page_set
 from telemetry.page import page_test
 # pylint: disable=W0401,W0614
 from telemetry.page.actions.all_page_actions import *
 
@@ skipping 49 matching lines @@
     action_runner.NavigateToPage(self)
     action_runner.RunAction(
       WaitAction({'javascript': 'webglTestHarness._finished'}))
 
 class WebglRobustness(test.Test):
   test = WebglConformanceValidator
 
   def CreatePageSet(self, options):
     ps = page_set.PageSet(
       file_path=conformance_path,
-      description='Test cases for WebGL robustness',
       user_agent_type='desktop',
       serving_dirs=[''])
     ps.AddPage(WebglRobustnessPage(ps, ps.base_dir))
     return ps