[Telemetry] Raise timeout on maps smoothness test.

tools/perf/page_sets/maps.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 logging
 
 from telemetry.page import page as page_module
 from telemetry.page import page_set as page_set_module
 
 
@@ skipping 10 matching lines @@
     if not browser_info.HasWebGLSupport():
       logging.warning('Browser does not support webgl, skipping test')
       return False
     return True
 
   def RunNavigateSteps(self, action_runner):
     action_runner.NavigateToPage(self)
     action_runner.Wait(3)
 
   def RunSmoothness(self, action_runner):
-    action_runner.WaitForJavaScriptCondition('window.testDone')
+    action_runner.WaitForJavaScriptCondition('window.testDone', 120)
 
 
 class MapsPageSet(page_set_module.PageSet):
 
   """ Google Maps examples """
 
   def __init__(self):
     super(MapsPageSet, self).__init__(
         archive_data_file='data/maps.json',
         bucket=page_set_module.INTERNAL_BUCKET)
 
     self.AddPage(MapsPage(self))