Code review comment for lp://staging/~xnox/autopilot-gtk/fix-ftbfs

Still fails with:
Traceback (most recent call last):
  File "/«BUILDDIR»/autopilot-gtk-1.4+14.04.20140107/tests/autopilot/tests/test_gnome_system_log.py", line 43, in test_search
    revealer = self.app.select_single('GdRevealer')
  File "/usr/lib/python2.7/dist-packages/autopilot/introspection/dbus.py", line 324, in select_single
    raise StateNotFoundError(type_name, **kwargs)
StateNotFoundError: Object not found with name 'GdRevealer'.

And:
Traceback (most recent call last):
  File "/«BUILDDIR»/autopilot-gtk-1.4+14.04.20140107/tests/autopilot/tests/test_gnome_system_log.py", line 36, in test_filename_label
    l = self.app.select_single('GtkLabel', label=u'<b>issue</b>')
  File "/usr/lib/python2.7/dist-packages/autopilot/introspection/dbus.py", line 324, in select_single
    raise StateNotFoundError(type_name, **kwargs)
StateNotFoundError: Object not found with name 'GtkLabel' and properties {'label': u'<b>issue</b>'}.