spec: intermittent specs pending while fixed

Change-Id: I596b52ec545c5240335864d7c269dc542e49206b
Reviewed-on: https://gerrit.instructure.com/44216
Reviewed-by: Kyle Rosenbaum <kyler@instructure.com>
QA-Review: Shawn Meredith <shawn@instructure.com>
Tested-by: Shawn Meredith <shawn@instructure.com>
Product-Review: Shawn Meredith <shawn@instructure.com>