Put preventative wait for app_update_notification for test_system_notification.py
Bug 899984 - Everything.Me search results take a long time to show
Merge pull request #1163 from zacc/app_upd_wait

Put preventative wait for app_update_notification
Merge pull request #1165 from bebef1987/xfail_ev.me

Bug 899984 - Everything.Me search results take a long time to show