Step 'Tor is ready' fails randomly
… either because:
1. (Wheezy’s) GNOME3’s hard coded notification timeout of 5 seconds isn’t enough for Sikuli to detect the image, or
2. some bug prevents the notification to be shown, e.g. something like
IMHO we should drop the part where we look for the notification from this step, but put it in a separate “I see the ‘Tor is ready’ notification” step and test it in a separate scenario.