Fix Safari-only flake.
Fix Safari-only flake.

cory-work/amphtml,taboola/amphtml,mhc-gh/amphtml,BrightcoveOS/amphtml,engtat/amphtml,ampproject/amphtml,zhouyx/amphtml,rajkumarsrk/amphtml,NataliaLKB/amphtml,lannka/amphtml,danielrozenberg/amphtml,adup-tech/amphtml,fullspeed-sp/amphtml,yieldmo/amphtml,jridgewell/amphtml,sebastianbenz/amphtml,sharethrough/amphtml,aghassemi/amphtml,sortable/amphtml,widespace-os/amphtml,ruturajv-media-net/amphtml,avimehta/amphtml,sklobovskaya/amphtml,yevheniiminin/amphtml,jdelhommeau/amphtml,avimehta/amphtml,criteo-forks/amphtml,yieldbot/amphtml,DarXector/amphtml,adiant/amphtml,src-code/amphtml,loic-seguin/amphtml,honeybadgerdontcare/amphtml,wjfang/amphtml,zhouyx/amphtml,kixer-com/amphtml,laterpay/amphtml,devjsun/amphtml,powdercloud/amphtml,shawnbuso/amphtml,media-net/amphtml,rsimha-amp/amphtml,rajkumarsrk/amphtml,kixer-com/amphtml,plista/amphtml,alanorozco/amphtml,criteo-forks/amphtml,adtechnology/amphtml,cory-work/amphtml,burtcorp/amphtml,keithwrightbos/amphtml,sklobovskaya/amphtml,mkhatib/amphtml,lzanol/amphtml,erwinmombay/amphtml,smartadserver/amphtml,donttrustthisbot/amphtml,DistroScale/amphtml,ecoron/amphtml,lannka/amphtml,Mobusi-ads/amphtml,prateekbh/amphtml,ericlindley-g/amphtml,src-code/amphtml,taboola/amphtml,cvializ/amphtml,dotandads/amphtml,media-net/amphtml,DistroScale/amphtml,adtechnology/amphtml,cory-work/amphtml,powdercloud/amphtml,techhtml/amphtml,alanorozco/amphtml,Lith/amphtml,shawnbuso/amphtml,pedjoni8/amphtml,zhangsu/amphtml,kmh287/amphtml,avimehta/amphtml,BrightcoveOS/amphtml,bpaduch/amphtml,ecoron/amphtml,yevheniiminin/amphtml,sriramkrish85/amphtml,jasti/amphtml,yieldbot/amphtml,taboola/amphtml,AaronCritchley/amphtml,dotandads/amphtml,JuliusThms/amphtml,adtechnology/amphtml,sebastianbenz/amphtml,sortable/amphtml,chaveznvg/amphtml,ampproject/amphtml,yieldmo/amphtml,honeybadgerdontcare/amphtml,NataliaLKB/amphtml,rifler/amphtml,DistroScale/amphtml,comScore/amphtml,sharethrough/amphtml,jlucero-contentad/amphtml,JuliusThms/amphtml,kmh287/amphtml,jasti/amphtml,taboola/amphtml,honeybadgerdontcare/amphtml,ericlindley-g/amphtml,ColombiaAnalytics/amphtml,techhtml/amphtml,sriramkrish85/amphtml,lannka/amphtml,jridgewell/amphtml,laterpay/amphtml,ecoron/amphtml,NataliaLKB/amphtml,DistroScale/amphtml,rajkumarsrk/amphtml,voyagegroup/amphtml,DAC-f1h-dev/amphtml,dvoytenko/amphtml,simplereach/amphtml,lzanol/amphtml,DarXector/amphtml,tdrl/amphtml,donttrustthisbot/amphtml,jlucero-contentad/amphtml,cvializ/amphtml,galeksic/amphtml,pietergreyling/amphtml,lannka/amphtml,BrightcoveOS/amphtml,mhc-gh/amphtml,adiant/amphtml,comScore/amphtml,engtat/amphtml,tdrl/amphtml,gumgum/amphtml,JuliusThms/amphtml,nekodo/amphtml,laterpay/amphtml,camelburrito/amphtml,yandex-pcode/amphtml,interspacejp/amphtml,Lith/amphtml,ruturajv-media-net/amphtml,pietergreyling/amphtml,luciancrasovan/amphtml,smartadserver/amphtml,erwinmombay/amphtml,kixer-com/amphtml,widespace-os/amphtml,lannka/amphtml,media-net/amphtml,arealit/amphtml,Gregable/amphtml,techhtml/amphtml,triplelift/amphtml,adup-tech/amphtml,JuliusThms/amphtml,Meggin/amphtml,dvoytenko/amphtml,nekodo/amphtml,BrightcoveOS/amphtml,adiant/amphtml,kamtschatka/amphtml,shawnbuso/amphtml,devjsun/amphtml,clawr/amphtml,interspacejp/amphtml,Mixpo/amphtml,chaveznvg/amphtml,bpaduch/amphtml,dotandads/amphtml,kixer-com/amphtml,BenDz/amphtml,rsimha-amp/amphtml,interspacejp/amphtml,Meggin/amphtml,Mobusi-ads/amphtml,keithwrightbos/amphtml,mhc-gh/amphtml,engtat/amphtml,BenDz/amphtml,honeybadgerdontcare/amphtml,zhangsu/amphtml,Re-lM/amphtml,powdercloud/amphtml,jpettitt/amphtml,chaveznvg/amphtml,avimehta/amphtml,DistroScale/amphtml,rajkumarsrk/amphtml,pietergreyling/amphtml,zhucl/amphtml,mkhatib/amphtml,jpettitt/amphtml,koshka/amphtml,pedjoni8/amphtml,nexxtv/amphtml,Adtoma/amphtml,tlong2/amphtml,jmadler/amphtml,rlugojr/amphtml,comScore/amphtml,nathangoulding/amphtml,smartadserver/amphtml,DarXector/amphtml,engtat/amphtml,jpettitt/amphtml,erwinmombay/amphtml,rajkumarsrk/amphtml,keithwrightbos/amphtml,arealit/amphtml,dotandads/amphtml,BenDz/amphtml-atinternet,clawr/amphtml,mhc-gh/amphtml,yieldbot/amphtml,clawr/amphtml,mlb7687/amphtml,BrightcoveOS/amphtml,zhucl/amphtml,BenDz/amphtml-atinternet,taboola/amphtml,Gregable/amphtml,amoad-amoe/amphtml,JuliusThms/amphtml,Gregable/amphtml,kixer-com/amphtml,aghassemi/amphtml,ericlindley-g/amphtml,amoad-amoe/amphtml,camelburrito/amphtml,media-net/amphtml,zhangsu/amphtml,criteo-forks/amphtml,wjfang/amphtml,tdrl/amphtml,kamtschatka/amphtml,koshka/amphtml,arealit/amphtml,avimehta/amphtml,cvializ/amphtml,galeksic/amphtml,lannka/amphtml,amoad-amoe/amphtml,adiant/amphtml,pietergreyling/amphtml,sortable/amphtml,nexxtv/amphtml,arealit/amphtml,ColombiaAnalytics/amphtml,pietergreyling/amphtml,mlb7687/amphtml,donttrustthisbot/amphtml,yieldmo/amphtml,arealit/amphtml,rajkumarsrk/amphtml,burtcorp/amphtml,BenDz/amphtml,gumgum/amphtml,yevheniiminin/amphtml,yieldmo/amphtml,clawr/amphtml,gumgum/amphtml,Adtoma/amphtml,adup-tech/amphtml,tdrl/amphtml,sortable/amphtml,BrightcoveOS/amphtml,kmh287/amphtml,devjsun/amphtml,devjsun/amphtml,widespace-os/amphtml,alanorozco/amphtml,ADITION/amphtml,vmarteev/amphtml,jpettitt/amphtml,interspacejp/amphtml,loic-seguin/amphtml,jdelhommeau/amphtml,ampproject/amphtml,ithinkihaveacat/amphtml,zhouyx/amphtml,mkhatib/amphtml,tdrl/amphtml,triplelift/amphtml,honeybadgerdontcare/amphtml,donttrustthisbot/amphtml,jasti/amphtml,src-code/amphtml,nathangoulding/amphtml,sharethrough/amphtml,sebastianbenz/amphtml,nexxtv/amphtml,spotxchange/amphtml,ericlindley-g/amphtml,nexxtv/amphtml,burtcorp/amphtml,BenDz/amphtml,Lith/amphtml,kamtschatka/amphtml,sharethrough/amphtml,tlong2/amphtml,triplelift/amphtml,mlb7687/amphtml,plista/amphtml,sebastianbenz/amphtml,lzanol/amphtml,vmarteev/amphtml,Mixpo/amphtml,pedjoni8/amphtml,spotxchange/amphtml,britice/amphtml,jmadler/amphtml,sortable/amphtml,yieldbot/amphtml,voyagegroup/amphtml,jdelhommeau/amphtml,rsimha-amp/amphtml,alanorozco/amphtml,koshka/amphtml,adup-tech/amphtml,danielrozenberg/amphtml,Mixpo/amphtml,zhucl/amphtml,wjfang/amphtml,AaronCritchley/amphtml,mkhatib/amphtml,plista/amphtml,criteo-forks/amphtml,voyagegroup/amphtml,jlucero-contentad/amphtml,nathangoulding/amphtml,wjfang/amphtml,Gregable/amphtml,BenDz/amphtml,Adtoma/amphtml,sklobovskaya/amphtml,techhtml/amphtml,taboola/amphtml,bpaduch/amphtml,tlong2/amphtml,avimehta/amphtml,fullspeed-sp/amphtml,cory-work/amphtml,amoad-amoe/amphtml,zhouyx/amphtml,camelburrito/amphtml,zhouyx/amphtml,loic-seguin/amphtml,interspacejp/amphtml,sortable/amphtml,devjsun/amphtml,Re-lM/amphtml,powdercloud/amphtml,Mobusi-ads/amphtml,pedjoni8/amphtml,tlong2/amphtml,mlb7687/amphtml,mhc-gh/amphtml,zhouyx/amphtml,jridgewell/amphtml,fullspeed-sp/amphtml,sebastianbenz/amphtml,prateekbh/amphtml,ampproject/amphtml,jmadler/amphtml,src-code/amphtml,Lith/amphtml,rsimha-amp/amphtml,yandex-pcode/amphtml,loic-seguin/amphtml,yieldmo/amphtml,jdelhommeau/amphtml,nekodo/amphtml,Mixpo/amphtml,prateekbh/amphtml,smartadserver/amphtml,sklobovskaya/amphtml,mkhatib/amphtml,voyagegroup/amphtml,cory-work/amphtml,AaronCritchley/amphtml,ruturajv-media-net/amphtml,mlb7687/amphtml,bpaduch/amphtml,vmarteev/amphtml,media-net/amphtml,nexxtv/amphtml,spotxchange/amphtml,burtcorp/amphtml,jridgewell/amphtml,yandex-pcode/amphtml,cory-work/amphtml,Lith/amphtml,jridgewell/amphtml,sebastianbenz/amphtml,JuliusThms/amphtml,adtechnology/amphtml,ADITION/amphtml,danielrozenberg/amphtml,gumgum/amphtml,jridgewell/amphtml,jasti/amphtml,DarXector/amphtml,danielrozenberg/amphtml,pietergreyling/amphtml,kixer-com/amphtml,rifler/amphtml,media-net/amphtml,wjfang/amphtml,Mobusi-ads/amphtml,simplereach/amphtml,interspacejp/amphtml,dotandads/amphtml,arealit/amphtml,laterpay/amphtml,ithinkihaveacat/amphtml,yandex-pcode/amphtml,galeksic/amphtml,jasti/amphtml,voyagegroup/amphtml,ADITION/amphtml,danielrozenberg/amphtml,luciancrasovan/amphtml,Adtoma/amphtml,Mobusi-ads/amphtml,spotxchange/amphtml,yevheniiminin/amphtml,jpettitt/amphtml,aghassemi/amphtml,taboola/amphtml,jasti/amphtml,britice/amphtml,fullspeed-sp/amphtml,camelburrito/amphtml,Lith/amphtml,BenDz/amphtml-atinternet,gumgum/amphtml,amoad-amoe/amphtml,ithinkihaveacat/amphtml,tlong2/amphtml,criteo-forks/amphtml,sriramkrish85/amphtml,powdercloud/amphtml,widespace-os/amphtml,shawnbuso/amphtml,widespace-os/amphtml,koshka/amphtml,honeybadgerdontcare/amphtml,ecoron/amphtml,jdelhommeau/amphtml,engtat/amphtml,Adtoma/amphtml,simplereach/amphtml,erwinmombay/amphtml,rsimha-amp/amphtml,zhucl/amphtml,yieldbot/amphtml,shawnbuso/amphtml,BenDz/amphtml,pedjoni8/amphtml,kmh287/amphtml,erwinmombay/amphtml,jlucero-contentad/amphtml,luciancrasovan/amphtml,kmh287/amphtml,widespace-os/amphtml,jdelhommeau/amphtml,rifler/amphtml,Mixpo/amphtml,comScore/amphtml,triplelift/amphtml,luciancrasovan/amphtml,comScore/amphtml,techhtml/amphtml,laterpay/amphtml,sharethrough/amphtml,dvoytenko/amphtml,amoad-amoe/amphtml,adtechnology/amphtml,ithinkihaveacat/amphtml,adiant/amphtml,Gregable/amphtml,adiant/amphtml,alanorozco/amphtml,arealit/amphtml,rlugojr/amphtml,sriramkrish85/amphtml,clawr/amphtml,tdrl/amphtml,britice/amphtml,plista/amphtml,dvoytenko/amphtml,lzanol/amphtml,ruturajv-media-net/amphtml,ampproject/amphtml,sriramkrish85/amphtml,rifler/amphtml,powdercloud/amphtml,sklobovskaya/amphtml,britice/amphtml,lannka/amphtml,donttrustthisbot/amphtml,zhouyx/amphtml,alanorozco/amphtml,powdercloud/amphtml,media-net/amphtml,luciancrasovan/amphtml,AaronCritchley/amphtml,yandex-pcode/amphtml,voyagegroup/amphtml,Gregable/amphtml,engtat/amphtml,ruturajv-media-net/amphtml,mkhatib/amphtml,fullspeed-sp/amphtml,ampproject/amphtml,Mobusi-ads/amphtml,DarXector/amphtml,smartadserver/amphtml,cory-work/amphtml,rsimha-amp/amphtml,aghassemi/amphtml,sharethrough/amphtml,jlucero-contentad/amphtml,ecoron/amphtml,jmadler/amphtml,dvoytenko/amphtml,cvializ/amphtml,comScore/amphtml,alanorozco/amphtml,aghassemi/amphtml,prateekbh/amphtml,burtcorp/amphtml,luciancrasovan/amphtml,kamtschatka/amphtml,DAC-f1h-dev/amphtml,yevheniiminin/amphtml,NataliaLKB/amphtml,prateekbh/amphtml,dvoytenko/amphtml,DistroScale/amphtml,chaveznvg/amphtml,sklobovskaya/amphtml,keithwrightbos/amphtml,zhucl/amphtml,tlong2/amphtml,kamtschatka/amphtml,src-code/amphtml,Re-lM/amphtml,mhc-gh/amphtml,nathangoulding/amphtml,jridgewell/amphtml,sriramkrish85/amphtml,techhtml/amphtml,rlugojr/amphtml,DAC-f1h-dev/amphtml,pedjoni8/amphtml,jmadler/amphtml,ColombiaAnalytics/amphtml,aghassemi/amphtml,rsimha-amp/amphtml,kamtschatka/amphtml,adtechnology/amphtml,Mixpo/amphtml,comScore/amphtml,devjsun/amphtml,media-net/amphtml,vmarteev/amphtml,nexxtv/amphtml,camelburrito/amphtml,vmarteev/amphtml,ampproject/amphtml,spotxchange/amphtml,keithwrightbos/amphtml,donttrustthisbot/amphtml,alanorozco/amphtml,yieldmo/amphtml,clawr/amphtml,Gregable/amphtml,rifler/amphtml,laterpay/amphtml,triplelift/amphtml,fullspeed-sp/amphtml,keithwrightbos/amphtml,vmarteev/amphtml,mhc-gh/amphtml,honeybadgerdontcare/amphtml,AaronCritchley/amphtml,gumgum/amphtml,spotxchange/amphtml,nexxtv/amphtml,koshka/amphtml,bpaduch/amphtml,ColombiaAnalytics/amphtml,prateekbh/amphtml,yieldmo/amphtml,wjfang/amphtml,ericlindley-g/amphtml,mhc-gh/amphtml,DAC-f1h-dev/amphtml,voyagegroup/amphtml,wjfang/amphtml,rlugojr/amphtml,sklobovskaya/amphtml,AaronCritchley/amphtml,zhucl/amphtml,camelburrito/amphtml,kixer-com/amphtml,adiant/amphtml,engtat/amphtml,jpettitt/amphtml,cvializ/amphtml,DAC-f1h-dev/amphtml,zhangsu/amphtml,yandex-pcode/amphtml,criteo-forks/amphtml,chaveznvg/amphtml,zhucl/amphtml,dotandads/amphtml,koshka/amphtml,danielrozenberg/amphtml,jmadler/amphtml,gumgum/amphtml,camelburrito/amphtml,src-code/amphtml,Meggin/amphtml,danielrozenberg/amphtml,chaveznvg/amphtml,yandex-pcode/amphtml,DarXector/amphtml,clawr/amphtml,cvializ/amphtml,zhangsu/amphtml,zhangsu/amphtml,jpettitt/amphtml,jlucero-contentad/amphtml,galeksic/amphtml,ericlindley-g/amphtml,erwinmombay/amphtml,ecoron/amphtml,burtcorp/amphtml,danielrozenberg/amphtml,prateekbh/amphtml,Gregable/amphtml,yevheniiminin/amphtml,vmarteev/amphtml,ADITION/amphtml,bpaduch/amphtml,ADITION/amphtml,rlugojr/amphtml,yieldbot/amphtml,Re-lM/amphtml,bpaduch/amphtml,donttrustthisbot/amphtml,nekodo/amphtml,rifler/amphtml,rlugojr/amphtml,galeksic/amphtml,jpettitt/amphtml,rajkumarsrk/amphtml,keithwrightbos/amphtml,luciancrasovan/amphtml,lzanol/amphtml,shawnbuso/amphtml,ruturajv-media-net/amphtml,mlb7687/amphtml,triplelift/amphtml,ampproject/amphtml,smartadserver/amphtml,lzanol/amphtml,shawnbuso/amphtml,Adtoma/amphtml,adup-tech/amphtml,kmh287/amphtml,adup-tech/amphtml,DAC-f1h-dev/amphtml