spec: embedded reruns option

Change-Id: Ife0294ac8ba33ffdaa7c7149f9ed11e073c1ca23
Reviewed-on: https://gerrit.instructure.com/33367
Tested-by: Jenkins <jenkins@instructure.com>
Reviewed-by: Bryan Madsen <bryan@instructure.com>
Product-Review: Bryan Madsen <bryan@instructure.com>
QA-Review: Bryan Madsen <bryan@instructure.com>