spec: avoid constant reassignment
spec: avoid constant reassignment

Change-Id: I0f978b31005ad414a55e43731c7ff563b2fe1c90
Reviewed-on: https://gerrit.instructure.com/61262
Tested-by: Jenkins
Reviewed-by: August Thornton <9adc7a1161ddf32ff608de792a7e50179545f026@instructure.com>
QA-Review: August Thornton <9adc7a1161ddf32ff608de792a7e50179545f026@instructure.com>
Product-Review: Rob Orton <7e09c9d3e96378bf549fc283fd6e1e5b7014cc33@instructure.com>
Reviewed-by: Rob Orton <7e09c9d3e96378bf549fc283fd6e1e5b7014cc33@instructure.com>

sfu/canvas-lms,sfu/canvas-lms,grahamb/canvas-lms,snehakachroo1/LSI_replica,leftplusrightllc/canvas-lms,fronteerio/canvas-lms,dgynn/canvas-lms,leftplusrightllc/canvas-lms,djbender/canvas-lms,instructure/canvas-lms,roxolan/canvas-lms,fronteerio/canvas-lms,AndranikMarkosyan/lms,matematikk-mooc/canvas-lms,HotChalk/canvas-lms,HotChalk/canvas-lms,narigone/canvas,SwinburneOnline/canvas-lms,AndranikMarkosyan/lms,narigone/canvas,dgynn/canvas-lms,instructure/canvas-lms,leftplusrightllc/canvas-lms,venturehive/canvas-lms,grahamb/canvas-lms,AndranikMarkosyan/lms,matematikk-mooc/canvas-lms,redconfetti/canvas-lms,matematikk-mooc/canvas-lms,snehakachroo1/LSI_replica,venturehive/canvas-lms,sfu/canvas-lms,roxolan/canvas-lms,SwinburneOnline/canvas-lms,AndranikMarkosyan/lms,grahamb/canvas-lms,dgynn/canvas-lms,fronteerio/canvas-lms,dgynn/canvas-lms,HotChalk/canvas-lms,jay3126/canvas-lms,sfu/canvas-lms,grahamb/canvas-lms,venturehive/canvas-lms,roxolan/canvas-lms,sfu/canvas-lms,narigone/canvas,leftplusrightllc/canvas-lms,djbender/canvas-lms,matematikk-mooc/canvas-lms,snehakachroo1/LSI_replica,SwinburneOnline/canvas-lms,kyroskoh/canvas-lms,djbender/canvas-lms,kyroskoh/canvas-lms,instructure/canvas-lms,kyroskoh/canvas-lms,jay3126/canvas-lms,roxolan/canvas-lms,redconfetti/canvas-lms,grahamb/canvas-lms,venturehive/canvas-lms,jay3126/canvas-lms,redconfetti/canvas-lms,sfu/canvas-lms,HotChalk/canvas-lms,instructure/canvas-lms,narigone/canvas,redconfetti/canvas-lms,instructure/canvas-lms,sfu/canvas-lms,jay3126/canvas-lms,fronteerio/canvas-lms,instructure/canvas-lms,SwinburneOnline/canvas-lms,djbender/canvas-lms,snehakachroo1/LSI_replica,instructure/canvas-lms,kyroskoh/canvas-lms