spec: fix pseudonym_spec for new roles

Change-Id: Ic88e8af7cecfad4190eb757dedfd77780e99116d
Reviewed-on: https://gerrit.instructure.com/43710
Reviewed-by: James Williams  <jamesw@instructure.com>
Reviewed-by: Jacob Fugal <jacob@instructure.com>
Tested-by: Jenkins <jenkins@instructure.com>
Product-Review: Jeremy Stanley <jeremy@instructure.com>
QA-Review: Jeremy Stanley <jeremy@instructure.com>