ubuntu_weather_app.tests.test_settings.TestSettings.test_switch_scale_cancel crashed in mako #109

Result from the dash: http://ci.ubuntu.com/smokeng/utopic/touch/mako/109:20140702.1:20140625/8832/ubuntu_weather_app/1316657/

Traceback (most recent call last):
  File "/home/phablet/autopilot/ubuntu_weather_app/tests/test_settings.py", line 182, in test_switch_scale_cancel
    units_selector = self._get_selector("TemperatureUnitsSelector")
  File "/home/phablet/autopilot/ubuntu_weather_app/tests/test_settings.py", line 143, in _get_selector
    objectName=object_name)
  File "/usr/lib/python3/dist-packages/autopilot/introspection/dbus.py", line 299, in wait_select_single
    return self.select_single(type_name, **kwargs)
  File "/usr/lib/python3/dist-packages/autopilot/introspection/dbus.py", line 248, in select_single
    raise StateNotFoundError(type_name_str, **kwargs)
autopilot.exceptions.StateNotFoundError: Object not found with name 'OptionSelector' and properties {'objectName': 'TemperatureUnitsSelector'}.

Tips on minimizing the occurrence of this failureare available here:
http://developer.ubuntu.com/api/devel/ubuntu-14.10/python/autopilot/faq/troubleshooting.html

The crash is attached.