spec: pending eportfolio selenium spec until karma upgrade resolved

Change-Id: I46f01705ab95f3d5c1e61882c2c71b9b41069681
Reviewed-on: https://gerrit.instructure.com/29846
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>