fix courses selenium spec that is occasionally failing
fix courses selenium spec that is occasionally failing

Change-Id: Icbdca850be8d48ed8c25e7813b72cf715e93da4e
Reviewed-on: https://gerrit.instructure.com/8470
Tested-by: Hudson <dfb64870173313a9a7b56f814c8e3b33e268497a@instructure.com>
Reviewed-by: Bryan Madsen <0a3ba1af216659500dd8f41e29f3979f42452870@instructure.com>

AndranikMarkosyan/lms,instructure/canvas-lms,arrivu/jigsaw-lms,wrdsb/canvas-lms,arrivu/qibla-ecampus,arrivu/arrivu-lms,ottenhoff/canvas-lms,jay3126/canvas-lms,nditech/red-innovadores-lms,dgynn/canvas-lms,loganrun/pincan,narigone/canvas,icelab/canvas,Rvor/canvas-lms,venturehive/canvas-lms,icelab/canvas,skmezanul/canvas-lms,arrivu/qibla-ecampus,icelab/canvas,jay3126/canvas-lms,shidao-fm/canvas-lms,juoni/canvas-lms,tgroshon/canvas-lms,narigone/canvas,ShreniiNepal/shrenii_lmp,AndranikMarkosyan/lms,utkarshx/canvas-lms,utkarshx/canvas-lms,va7map/canvas-lms,efrj/canvas-lms,wimemx/Canvas,samuels410/greatlakes-lms,instructure/canvas-lms,shidao-fm/canvas-lms,whalejasmine/canvas-lms,rup/Tarrax,shidao-fm/canvas-lms,usmschuck/canvas,ankithbti/canvas_lms,sfu/canvas-lms,sli7246/canvas_branch,leftplusrightllc/canvas-lms,ottenhoff/canvas-lms,landonwilkins/canvas-lms,greyhwndz/canvas-lms,gbleydon/canvas-lms,antoniuslin/canvas-lms,va7map/canvas-lms,redconfetti/canvas-lms,greyhwndz/canvas-lms,em2/canvas-lms,Unow/canvas-lms,sfu/canvas-lms,em2/canvas-lms,djbender/canvas-lms,whalejasmine/canvas-lms,grahamb/canvas-lms,eCNAP/CANVAS,samuels410/greatlakes-lms,Jyaasa/canvas-lms,dgynn/canvas-lms,SwinburneOnline/canvas-lms,arrivu/hiring-site,narigone/canvas,parbros/red-innovadores-lms,AndranikMarkosyan/lms,matematikk-mooc/canvas-lms,nditech/red-innovadores-lms,eCNAP/CANVAS,redconfetti/canvas-lms,fronteerio/canvas-lms,greyhwndz/canvas-lms,Unow/ins,redconfetti/canvas-lms,wimemx/Canvas,venturehive/canvas-lms,HotChalk/canvas-lms,wrdsb/canvas-lms,fronteerio/canvas-lms,skmezanul/canvas-lms,matematikk-mooc/canvas-lms,shidao-fm/canvas-lms,wye0220/shindig-canvas,merichar/canvas-lms,roxolan/canvas-lms,Unow/ins,dgynn/canvas-lms,dgynn/canvas-lms,sdeleon28/canvas-lms,usmschuck/canvas,arrivu/hoodemo,efrj/canvas-lms,venturehive/canvas-lms,arrivu/arrivu-lms,snehakachroo1/LSI_replica,kyroskoh/canvas-lms,sli7246/canvas_branch,ottenhoff/canvas-lms,arrivu/hoodemo,eCNAP/CANVAS,skmezanul/canvas-lms,sdeleon28/canvas-lms,ShreniiNepal/shrenii_lmp,loganrun/pincan,sfu/canvas-lms,tgroshon/canvas-lms,grahamb/canvas-lms,narigone/canvas,usmschuck/canvas,snehakachroo1/LSI_replica,Unow/canvas-lms,tgroshon/canvas-lms,utkarshx/canvas-lms,whalejasmine/canvas-lms,Jyaasa/canvas-lms,AndranikMarkosyan/lms,juoni/canvas-lms,juoni/canvas-lms,va7map/canvas-lms,Jyaasa/canvas-lms,matematikk-mooc/canvas-lms,wye0220/shindig-canvas,rup/Tarrax,SwinburneOnline/canvas-lms,gbleydon/canvas-lms,parbros/red-innovadores-lms,HotChalk/canvas-lms,landonwilkins/canvas-lms,arrivu/hiring-site,leftplusrightllc/canvas-lms,arrivu/hoodemo,djbender/canvas-lms,efrj/canvas-lms,sdeleon28/canvas-lms,wye0220/shindig-canvas,usmschuck/canvas,leftplusrightllc/canvas-lms,nditech/red-innovadores-lms,instructure/canvas-lms,utkarshx/canvas-lms,Rvor/canvas-lms,sfu/canvas-lms,Unow/canvas-lms,kyroskoh/canvas-lms,djbender/canvas-lms,landonwilkins/canvas-lms,ShreniiNepal/shrenii_lmp,antoniuslin/canvas-lms,SwinburneOnline/canvas-lms,efrj/canvas-lms,arrivu/jigsaw-lms,snehakachroo1/LSI_replica,eCNAP/CANVAS,arrivu/hiring-site,sfu/canvas-lms,sdeleon28/canvas-lms,gbleydon/canvas-lms,kyroskoh/canvas-lms,Jyaasa/canvas-lms,merichar/canvas-lms,instructure/canvas-lms,fronteerio/canvas-lms,merichar/canvas-lms,samuels410/greatlakes-lms,leftplusrightllc/canvas-lms,Rvor/canvas-lms,HotChalk/canvas-lms,roxolan/canvas-lms,grahamb/canvas-lms,Unow/ins,matematikk-mooc/canvas-lms,greyhwndz/canvas-lms,sli7246/canvas_branch,SwinburneOnline/canvas-lms,djbender/canvas-lms,landonwilkins/canvas-lms,grahamb/canvas-lms,rup/Tarrax,kyroskoh/canvas-lms,arrivu/jigsaw-lms,wimemx/Canvas,em2/canvas-lms,roxolan/canvas-lms,va7map/canvas-lms,redconfetti/canvas-lms,ankithbti/canvas_lms,instructure/canvas-lms,wrdsb/canvas-lms,loganrun/pincan,jay3126/canvas-lms,Rvor/canvas-lms,HotChalk/canvas-lms,fronteerio/canvas-lms,arrivu/arrivu-lms,tgroshon/canvas-lms,parbros/red-innovadores-lms,instructure/canvas-lms,antoniuslin/canvas-lms,ankithbti/canvas_lms,juoni/canvas-lms,venturehive/canvas-lms,grahamb/canvas-lms,sfu/canvas-lms,wrdsb/canvas-lms,instructure/canvas-lms,snehakachroo1/LSI_replica,skmezanul/canvas-lms,sfu/canvas-lms,antoniuslin/canvas-lms,whalejasmine/canvas-lms,samuels410/greatlakes-lms,ShreniiNepal/shrenii_lmp,roxolan/canvas-lms,arrivu/qibla-ecampus,nditech/red-innovadores-lms,jay3126/canvas-lms