Correct factory used in product_attributes for shared "product prototype" context
Correct factory used in product_attributes for shared "product prototype" context

Fixes broken build: https://travis-ci.org/spree/spree/jobs/4244803

piousbox/spree,richardnuno/solidus,grzlus/spree,pulkit21/spree,madetech/spree,Machpowersystems/spree_mach,assembledbrands/spree,bonobos/solidus,gautamsawhney/spree,alvinjean/spree,odk211/spree,FadliKun/spree,kewaunited/spree,Senjai/solidus,azranel/spree,yomishra/pce,quentinuys/spree,jordan-brough/solidus,dotandbo/spree,zaeznet/spree,SadTreeFriends/spree,net2b/spree,scottcrawford03/solidus,zaeznet/spree,miyazawatomoka/spree,firman/spree,lyzxsc/spree,sideci-sample/sideci-sample-spree,codesavvy/sandbox,agient/agientstorefront,calvinl/spree,wolfieorama/spree,scottcrawford03/solidus,StemboltHQ/spree,fahidnasir/spree,rakibulislam/spree,pjmj777/spree,jsurdilla/solidus,brchristian/spree,radarseesradar/spree,FadliKun/spree,Ropeney/spree,zaeznet/spree,bjornlinder/Spree,Mayvenn/spree,Lostmyname/spree,nooysters/spree,hoanghiep90/spree,alvinjean/spree,softr8/spree,lsirivong/spree,codesavvy/sandbox,siddharth28/spree,Machpowersystems/spree_mach,berkes/spree,patdec/spree,dafontaine/spree,ramkumar-kr/spree,welitonfreitas/spree,DarkoP/spree,rakibulislam/spree,pervino/spree,woboinc/spree,siddharth28/spree,hoanghiep90/spree,rakibulislam/spree,Senjai/spree,fahidnasir/spree,CJMrozek/spree,vulk/spree,cutefrank/spree,thogg4/spree,jspizziri/spree,project-eutopia/spree,DynamoMTL/spree,priyank-gupta/spree,trigrass2/spree,ujai/spree,karlitxo/spree,degica/spree,urimikhli/spree,alepore/spree,athal7/solidus,xuewenfei/solidus,ahmetabdi/spree,lsirivong/solidus,jeffboulet/spree,firman/spree,TimurTarasenko/spree,forkata/solidus,raow/spree,azranel/spree,freerunningtech/spree,useiichi/spree,sideci-sample/sideci-sample-spree,vulk/spree,forkata/solidus,softr8/spree,thogg4/spree,lsirivong/solidus,rajeevriitm/spree,shekibobo/spree,ayb/spree,nooysters/spree,shaywood2/spree,mindvolt/spree,dandanwei/spree,jasonfb/spree,yushine/spree,brchristian/spree,Ropeney/spree,joanblake/spree,imella/spree,Ropeney/spree,ckk-scratch/solidus,Migweld/spree,robodisco/spree,jimblesm/spree,patdec/spree,dandanwei/spree,orenf/spree,quentinuys/spree,AgilTec/spree,thogg4/spree,priyank-gupta/spree,builtbybuffalo/spree,softr8/spree,nooysters/spree,ayb/spree,progsri/spree,jparr/spree,quentinuys/spree,watg/spree,JDutil/spree,derekluo/spree,vmatekole/spree,jordan-brough/solidus,HealthWave/spree,DynamoMTL/spree,bjornlinder/Spree,thogg4/spree,vinsol/spree,locomotivapro/spree,jsurdilla/solidus,welitonfreitas/spree,dafontaine/spree,miyazawatomoka/spree,PhoenixTeam/spree_phoenix,TimurTarasenko/spree,StemboltHQ/spree,watg/spree,calvinl/spree,gregoryrikson/spree-sample,LBRapid/spree,freerunningtech/spree,njerrywerry/spree,Hates/spree,piousbox/spree,madetech/spree,wolfieorama/spree,trigrass2/spree,siddharth28/spree,StemboltHQ/spree,pulkit21/spree,Hates/spree,locomotivapro/spree,Arpsara/solidus,JDutil/spree,Ropeney/spree,dandanwei/spree,grzlus/spree,codesavvy/sandbox,sliaquat/spree,DynamoMTL/spree,priyank-gupta/spree,archSeer/spree,Hates/spree,Antdesk/karpal-spree,bonobos/solidus,siddharth28/spree,radarseesradar/spree,karlitxo/spree,Boomkat/spree,dandanwei/spree,devilcoders/solidus,maybii/spree,moneyspyder/spree,vinsol/spree,edgward/spree,robodisco/spree,mleglise/spree,alepore/spree,beni55/spree,scottcrawford03/solidus,kitwalker12/spree,gregoryrikson/spree-sample,jaspreet21anand/spree,alvinjean/spree,firman/spree,Kagetsuki/spree,woboinc/spree,brchristian/spree,yiqing95/spree,lyzxsc/spree,ahmetabdi/spree,odk211/spree,quentinuys/spree,kitwalker12/spree,richardnuno/solidus,KMikhaylovCTG/spree,urimikhli/spree,biagidp/spree,Hates/spree,bricesanchez/spree,jasonfb/spree,mleglise/spree,caiqinghua/spree,jasonfb/spree,forkata/solidus,CJMrozek/spree,tomash/spree,jordan-brough/spree,sfcgeorge/spree,jimblesm/spree,vinayvinsol/spree,omarsar/spree,volpejoaquin/spree,zamiang/spree,derekluo/spree,firman/spree,camelmasa/spree,LBRapid/spree,jparr/spree,ayb/spree,sideci-sample/sideci-sample-spree,yiqing95/spree,reinaris/spree,beni55/spree,sfcgeorge/spree,tancnle/spree,KMikhaylovCTG/spree,TrialGuides/spree,lyzxsc/spree,omarsar/spree,cutefrank/spree,carlesjove/spree,adaddeo/spree,devilcoders/solidus,camelmasa/spree,vinayvinsol/spree,carlesjove/spree,xuewenfei/solidus,RatioClothing/spree,rbngzlv/spree,beni55/spree,nooysters/spree,radarseesradar/spree,APohio/spree,AgilTec/spree,lsirivong/solidus,knuepwebdev/FloatTubeRodHolders,gautamsawhney/spree,shioyama/spree,Kagetsuki/spree,archSeer/spree,ckk-scratch/solidus,jspizziri/spree,raow/spree,edgward/spree,woboinc/spree,jordan-brough/spree,jeffboulet/spree,rajeevriitm/spree,mindvolt/spree,calvinl/spree,shaywood2/spree,CJMrozek/spree,reidblomquist/spree,lsirivong/spree,abhishekjain16/spree,TrialGuides/spree,sunny2601/spree,odk211/spree,reidblomquist/spree,brchristian/spree,vulk/spree,gregoryrikson/spree-sample,hifly/spree,Senjai/solidus,tancnle/spree,abhishekjain16/spree,jspizziri/spree,ramkumar-kr/spree,piousbox/spree,kewaunited/spree,keatonrow/spree,omarsar/spree,Arpsara/solidus,jaspreet21anand/spree,jordan-brough/spree,groundctrl/spree,bonobos/solidus,ujai/spree,pervino/solidus,abhishekjain16/spree,Nevensoft/spree,yushine/spree,rbngzlv/spree,knuepwebdev/FloatTubeRodHolders,pervino/spree,bonobos/solidus,JuandGirald/spree,AgilTec/spree,knuepwebdev/FloatTubeRodHolders,Migweld/spree,alvinjean/spree,yiqing95/spree,shekibobo/spree,tailic/spree,RatioClothing/spree,madetech/spree,urimikhli/spree,NerdsvilleCEO/spree,edgward/spree,Lostmyname/spree,Kagetsuki/spree,ckk-scratch/solidus,sliaquat/spree,HealthWave/spree,caiqinghua/spree,kitwalker12/spree,mindvolt/spree,LBRapid/spree,ramkumar-kr/spree,njerrywerry/spree,shekibobo/spree,grzlus/solidus,rbngzlv/spree,Engeltj/spree,jaspreet21anand/spree,PhoenixTeam/spree_phoenix,vinayvinsol/spree,ayb/spree,sunny2601/spree,locomotivapro/spree,Mayvenn/spree,karlitxo/spree,berkes/spree,athal7/solidus,yiqing95/spree,freerunningtech/spree,adaddeo/spree,progsri/spree,CiscoCloud/spree,bjornlinder/Spree,Senjai/solidus,tomash/spree,welitonfreitas/spree,lyzxsc/spree,pervino/spree,useiichi/spree,mindvolt/spree,raow/spree,hoanghiep90/spree,abhishekjain16/spree,Senjai/spree,JDutil/spree,Hawaiideveloper/shoppingcart,berkes/spree,priyank-gupta/spree,sfcgeorge/spree,radarseesradar/spree,Arpsara/solidus,azclick/spree,fahidnasir/spree,devilcoders/solidus,zamiang/spree,ckk-scratch/solidus,jsurdilla/solidus,grzlus/solidus,degica/spree,APohio/spree,NerdsvilleCEO/spree,NerdsvilleCEO/spree,pulkit21/spree,volpejoaquin/spree,rajeevriitm/spree,JuandGirald/spree,karlitxo/spree,TrialGuides/spree,scottcrawford03/solidus,jasonfb/spree,delphsoft/spree-store-ballchair,tailic/spree,HealthWave/spree,tailic/spree,agient/agientstorefront,joanblake/spree,bricesanchez/spree,carlesjove/spree,tesserakt/clean_spree,SadTreeFriends/spree,devilcoders/solidus,tesserakt/clean_spree,reinaris/spree,vmatekole/spree,RatioClothing/spree,tancnle/spree,keatonrow/spree,joanblake/spree,cutefrank/spree,DarkoP/spree,vinsol/spree,Nevensoft/spree,moneyspyder/spree,gregoryrikson/spree-sample,agient/agientstorefront,PhoenixTeam/spree_phoenix,zamiang/spree,sfcgeorge/spree,JuandGirald/spree,orenf/spree,vmatekole/spree,orenf/spree,Boomkat/spree,SadTreeFriends/spree,alejandromangione/spree,kewaunited/spree,vcavallo/spree,grzlus/solidus,zamiang/spree,calvinl/spree,mleglise/spree,carlesjove/spree,volpejoaquin/spree,jeffboulet/spree,vcavallo/spree,Machpowersystems/spree_mach,Engeltj/spree,shioyama/spree,jhawthorn/spree,ahmetabdi/spree,CiscoCloud/spree,Antdesk/karpal-spree,ahmetabdi/spree,grzlus/spree,project-eutopia/spree,raow/spree,AgilTec/spree,Migweld/spree,project-eutopia/spree,vmatekole/spree,assembledbrands/spree,derekluo/spree,alepore/spree,zaeznet/spree,dotandbo/spree,shioyama/spree,Hawaiideveloper/shoppingcart,groundctrl/spree,Migweld/spree,pjmj777/spree,forkata/solidus,delphsoft/spree-store-ballchair,camelmasa/spree,CiscoCloud/spree,shaywood2/spree,trigrass2/spree,vulk/spree,piousbox/spree,gautamsawhney/spree,builtbybuffalo/spree,welitonfreitas/spree,njerrywerry/spree,moneyspyder/spree,rbngzlv/spree,vcavallo/spree,sunny2601/spree,surfdome/spree,xuewenfei/solidus,progsri/spree,pervino/solidus,azranel/spree,jeffboulet/spree,volpejoaquin/spree,assembledbrands/spree,SadTreeFriends/spree,adaddeo/spree,Engeltj/spree,keatonrow/spree,groundctrl/spree,codesavvy/sandbox,builtbybuffalo/spree,alejandromangione/spree,athal7/solidus,jhawthorn/spree,JDutil/spree,shaywood2/spree,APohio/spree,Boomkat/spree,pjmj777/spree,madetech/spree,jimblesm/spree,athal7/solidus,pervino/solidus,archSeer/spree,surfdome/spree,lsirivong/spree,Lostmyname/spree,tesserakt/clean_spree,Boomkat/spree,TrialGuides/spree,keatonrow/spree,TimurTarasenko/spree,sliaquat/spree,dafontaine/spree,yomishra/pce,caiqinghua/spree,jparr/spree,surfdome/spree,maybii/spree,edgward/spree,jimblesm/spree,Lostmyname/spree,Arpsara/solidus,pervino/spree,beni55/spree,robodisco/spree,FadliKun/spree,yomishra/pce,archSeer/spree,hoanghiep90/spree,sunny2601/spree,miyazawatomoka/spree,gautamsawhney/spree,DarkoP/spree,fahidnasir/spree,NerdsvilleCEO/spree,reinaris/spree,derekluo/spree,caiqinghua/spree,ujai/spree,tesserakt/clean_spree,moneyspyder/spree,KMikhaylovCTG/spree,xuewenfei/solidus,berkes/spree,vinayvinsol/spree,surfdome/spree,rajeevriitm/spree,groundctrl/spree,reinaris/spree,Nevensoft/spree,Nevensoft/spree,grzlus/solidus,patdec/spree,pulkit21/spree,maybii/spree,Engeltj/spree,TimurTarasenko/spree,softr8/spree,watg/spree,kewaunited/spree,wolfieorama/spree,imella/spree,Senjai/spree,Hawaiideveloper/shoppingcart,progsri/spree,richardnuno/solidus,FadliKun/spree,alejandromangione/spree,jordan-brough/solidus,biagidp/spree,Mayvenn/spree,azclick/spree,Antdesk/karpal-spree,APohio/spree,net2b/spree,pervino/solidus,builtbybuffalo/spree,wolfieorama/spree,reidblomquist/spree,Mayvenn/spree,azranel/spree,Kagetsuki/spree,Hawaiideveloper/shoppingcart,agient/agientstorefront,azclick/spree,ramkumar-kr/spree,njerrywerry/spree,CJMrozek/spree,jordan-brough/solidus,patdec/spree,tomash/spree,tomash/spree,dotandbo/spree,project-eutopia/spree,yushine/spree,alejandromangione/spree,delphsoft/spree-store-ballchair,yushine/spree,shekibobo/spree,tancnle/spree,useiichi/spree,omarsar/spree,imella/spree,cutefrank/spree,jhawthorn/spree,DynamoMTL/spree,grzlus/spree,vinsol/spree,lsirivong/solidus,locomotivapro/spree,trigrass2/spree,reidblomquist/spree,dotandbo/spree,delphsoft/spree-store-ballchair,hifly/spree,rakibulislam/spree,dafontaine/spree,PhoenixTeam/spree_phoenix,jaspreet21anand/spree,sliaquat/spree,CiscoCloud/spree,richardnuno/solidus,jsurdilla/solidus,KMikhaylovCTG/spree,azclick/spree,robodisco/spree,JuandGirald/spree,orenf/spree,hifly/spree,maybii/spree,net2b/spree,camelmasa/spree,Senjai/solidus,jspizziri/spree,useiichi/spree,vcavallo/spree,bricesanchez/spree,odk211/spree,joanblake/spree,biagidp/spree,net2b/spree,miyazawatomoka/spree,hifly/spree,degica/spree,mleglise/spree,lsirivong/spree,jparr/spree,adaddeo/spree,DarkoP/spree