spec: selenium dashboard spec pending

Change-Id: I42c324a380af72e5f0859e1246cdf552f16e85cc
Reviewed-on: https://gerrit.instructure.com/31958
Reviewed-by: Shawn Meredith <shawn@instructure.com>
Product-Review: Shawn Meredith <shawn@instructure.com>
QA-Review: Shawn Meredith <shawn@instructure.com>
Tested-by: Shawn Meredith <shawn@instructure.com>