spec: intermittent specs

Change-Id: Iec58ddcb978165c5adf99619dd5c6144f00a0e03
Reviewed-on: https://gerrit.instructure.com/39568
Reviewed-by: Bryan Madsen <bryan@instructure.com>
Product-Review: Bryan Madsen <bryan@instructure.com>
QA-Review: Bryan Madsen <bryan@instructure.com>
Tested-by: Jenkins <jenkins@instructure.com>