pend failing groups spec until we find out why it's failing

Change-Id: I6f0bfa107aafbe3a115da7b29a516377d94d74e3
Reviewed-on: https://gerrit.instructure.com/35740
Reviewed-by: Drew Bowman <dbowman@instructure.com>
Reviewed-by: Bryan Madsen <bryan@instructure.com>
Product-Review: Bryan Madsen <bryan@instructure.com>
QA-Review: Bryan Madsen <bryan@instructure.com>
Tested-by: Bryan Madsen <bryan@instructure.com>