upgrade webdriver so find_elements works in ff4
upgrade webdriver so find_elements works in ff4

Change-Id: I6cdb775d34f21637862f7f92c5b098bf48d4662c
Reviewed-on: https://gerrit.instructure.com/3797
Reviewed-by: Cody Cutrer <c4fe2b1d90ef8f2548c8aeabfa633434316f0305@instructure.com>
Tested-by: Hudson <dfb64870173313a9a7b56f814c8e3b33e268497a@instructure.com>

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