Set LiveEvents Spec test value to correct type
Set LiveEvents Spec test value to correct type

Test Plan:
 - Specs Pass

Refs: QUIZ-7810
flag = none

Change-Id: Ib9a86f34ee7e0d3880259d816e854511316b0afe
Reviewed-on: https://gerrit.instructure.com/c/canvas-lms/+/250486
Tested-by: Service Cloud Jenkins <9144042a601061f88f1e1d7a1753ea3e2972119d@instructure.com>
Reviewed-by: Bryan Petty <33564f6eff3d808d3eaaa056a1631fdcde5faed6@instructure.com>
QA-Review: Alex Slaughter <11669a22a05ead38ed9badafd55ef4c5386724b6@instructure.com>
Product-Review: Alex Slaughter <11669a22a05ead38ed9badafd55ef4c5386724b6@instructure.com>

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