Increase timeout in ember tests
Increase timeout in ember tests

no issue
- increases individual test timeout from 5sec to 15sec

It seems Travis is occasionally _very_ slow and will timeout on heavier acceptance tests resulting in random failures. Hopefully this will reduce the number of random test failures we see.

janvt/Ghost,daimaqiao/Ghost-Bridge,daimaqiao/Ghost-Bridge,javorszky/Ghost,Kaenn/Ghost,madole/diverse-learners,mohanambati/Ghost,lukaszklis/Ghost,telco2011/Ghost,AlexKVal/Ghost,NovaDevelopGroup/Academy,carlyledavis/Ghost,NovaDevelopGroup/Academy,ghostchina/Ghost-zh,kevinansfield/Ghost,TryGhost/Ghost,Japh/shortcoffee,Yarov/yarov,ballPointPenguin/Ghost,STANAPO/Ghost,benstoltz/Ghost,bosung90/Ghost,Elektro1776/javaPress,patterncoder/patterncoder,lukekhamilton/Ghost,ErisDS/Ghost,Smile42RU/Ghost,adam-paterson/blog,akveo/akveo-blog,janvt/Ghost,delgermurun/Ghost,dqj/Ghost,riyadhalnur/Ghost,Kikobeats/Ghost,acburdine/Ghost,bosung90/Ghost,rizkyario/Ghost,BlueHatbRit/Ghost,jaswilli/Ghost,allanjsx/Ghost,dbalders/Ghost,ashishapy/ghostpy,jgillich/Ghost,leonli/ghost,Kaenn/Ghost,mohanambati/Ghost,MadeOnMars/Ghost,ErisDS/Ghost,rizkyario/Ghost,obsoleted/Ghost,handcode7/Ghost,Gargol/Ghost,weareleka/blog,dbalders/Ghost,etanxing/Ghost,hnarayanan/narayanan.co,RufusMbugua/TheoryOfACoder,davidmenger/nodejsfan,disordinary/Ghost,pollbox/ghostblog,SkynetInc/steam,Yarov/yarov,letsjustfixit/Ghost,pollbox/ghostblog,duyetdev/islab,petersucks/blog,GroupxDev/javaPress,denzelwamburu/denzel.xyz,JohnONolan/Ghost,sebgie/Ghost,ckousik/Ghost,bitjson/Ghost,olsio/Ghost,dbalders/Ghost,adam-paterson/blog,Japh/shortcoffee,leninhasda/Ghost,cwonrails/Ghost,ivantedja/ghost,tidyui/Ghost,ManRueda/manrueda-blog,cwonrails/Ghost,jamesslock/Ghost,Kaenn/Ghost,acburdine/Ghost,epicmiller/pages,JohnONolan/Ghost,JonSmith/Ghost,lukaszklis/Ghost,wemakeweb/Ghost,stridespace/Ghost,novaugust/Ghost,daimaqiao/Ghost-Bridge,disordinary/Ghost,mayconxhh/Ghost,letsjustfixit/Ghost,kevinansfield/Ghost,JulienBrks/Ghost,NovaDevelopGroup/Academy,jomahoney/Ghost,Elektro1776/javaPress,veyo-care/Ghost,augbog/Ghost,Gargol/Ghost,singular78/Ghost,RufusMbugua/TheoryOfACoder,GarrethDottin/Habits-Design,acburdine/Ghost,veyo-care/Ghost,edsadr/Ghost,tidyui/Ghost,panezhang/Ghost,PeterCxy/Ghost,telco2011/Ghost,chris-yoon90/Ghost,anijap/PhotoGhost,ashishapy/ghostpy,chevex/undoctrinate,sebgie/Ghost,telco2011/Ghost,handcode7/Ghost,JulienBrks/Ghost,rizkyario/Ghost,vainglori0us/urban-fortnight,letsjustfixit/Ghost,kevinansfield/Ghost,SachaG/bjjbot-blog,delgermurun/Ghost,leonli/ghost,javorszky/Ghost,weareleka/blog,hnarayanan/narayanan.co,daihuaye/Ghost,SkynetInc/steam,jaswilli/Ghost,karmakaze/Ghost,patterncoder/patterncoder,novaugust/Ghost,cicorias/Ghost,jamesslock/Ghost,riyadhalnur/Ghost,dqj/Ghost,denzelwamburu/denzel.xyz,allanjsx/Ghost,BlueHatbRit/Ghost,Trendy/Ghost,load11/ghost,chris-yoon90/Ghost,Xibao-Lv/Ghost,cwonrails/Ghost,novaugust/Ghost,jgillich/Ghost,TryGhost/Ghost,mayconxhh/Ghost,edsadr/Ghost,ErisDS/Ghost,stridespace/Ghost,barbastan/Ghost,kaychaks/kaushikc.org,GarrethDottin/Habits-Design,GroupxDev/javaPress,JonSmith/Ghost,TryGhost/Ghost,lf2941270/Ghost,duyetdev/islab,jorgegilmoreira/ghost,epicmiller/pages,ManRueda/manrueda-blog,benstoltz/Ghost,jorgegilmoreira/ghost,velimir0xff/Ghost,sebgie/Ghost,vainglori0us/urban-fortnight,ghostchina/Ghost-zh,mohanambati/Ghost,syaiful6/Ghost,augbog/Ghost,lf2941270/Ghost,ManRueda/manrueda-blog,jomahoney/Ghost,e10/Ghost,AlexKVal/Ghost,SachaG/bjjbot-blog,sangcu/Ghost,madole/diverse-learners,vainglori0us/urban-fortnight,leninhasda/Ghost,leonli/ghost,klinker-apps/ghost,singular78/Ghost,STANAPO/Ghost,ignasbernotas/nullifer,klinker-apps/ghost,panezhang/Ghost,carlyledavis/Ghost,sunh3/Ghost,ngosinafrica/SiteForNGOs,singular78/Ghost,dggr/Ghost-sr,dggr/Ghost-sr,akveo/akveo-blog,Kikobeats/Ghost,ngosinafrica/SiteForNGOs,petersucks/blog,ignasbernotas/nullifer,wemakeweb/Ghost,Trendy/Ghost,ballPointPenguin/Ghost,daihuaye/Ghost,sangcu/Ghost,PeterCxy/Ghost,Smile42RU/Ghost,MadeOnMars/Ghost,olsio/Ghost,Elektro1776/javaPress,velimir0xff/Ghost,bitjson/Ghost,Japh/Ghost,barbastan/Ghost,e10/Ghost,kaychaks/kaushikc.org,load11/ghost,GroupxDev/javaPress,JohnONolan/Ghost,jorgegilmoreira/ghost,zumobi/Ghost,lukekhamilton/Ghost,ckousik/Ghost,stridespace/Ghost,sunh3/Ghost,anijap/PhotoGhost,etanxing/Ghost,allanjsx/Ghost,karmakaze/Ghost,Japh/Ghost,syaiful6/Ghost,davidmenger/nodejsfan,zumobi/Ghost,obsoleted/Ghost,Kikobeats/Ghost,cicorias/Ghost,dggr/Ghost-sr,Xibao-Lv/Ghost