spec: fix locked_spec for draft-state

refs #CNVS-15563

Change-Id: I8850d019d2abd4d07ba7623bd1a3b783d2317614
Reviewed-on: https://gerrit.instructure.com/42240
Tested-by: Jenkins <jenkins@instructure.com>
Reviewed-by: Jeremy Stanley <jeremy@instructure.com>
Product-Review: Jeremy Stanley <jeremy@instructure.com>
QA-Review: James Williams  <jamesw@instructure.com>