spec: Fix spec spec/controllers/course_paces_controller_spec.rb
spec: Fix spec spec/controllers/course_paces_controller_spec.rb

This fixes the tests that were failing on lines 503 and
630.

closes LS-3316
flag = none

Test Plan:
 - Automated tests pass.

Change-Id: Ic72ae98c477dccbb1961a6221a55118a958f7427
Reviewed-on: https://gerrit.instructure.com/c/canvas-lms/+/298383
Reviewed-by: Eric Saupe <e7287cf05ae62bc45889f17a9d34b8fae8d5afd1@instructure.com>
QA-Review: Eric Saupe <e7287cf05ae62bc45889f17a9d34b8fae8d5afd1@instructure.com>
Product-Review: Joshua Richardson <b380c95f6de4c68f6f5e947533f4d1bf92d06c52@instructure.com>
Tested-by: Service Cloud Jenkins <9144042a601061f88f1e1d7a1753ea3e2972119d@instructure.com>

sfu/canvas-lms,sfu/canvas-lms,sfu/canvas-lms,sfu/canvas-lms,sfu/canvas-lms,sfu/canvas-lms,sfu/canvas-lms