adding some tests for the fill auto feature
adding some tests for the fill auto feature

fanhero/thumbor,okor/thumbor,raphaelfruneaux/thumbor,felipemorais/thumbor,fanhero/thumbor,wking/thumbor,jiangzhonghui/thumbor,davduran/thumbor,scorphus/thumbor,felipemorais/thumbor,BetterCollective/thumbor,dhardy92/thumbor,lfalcao/thumbor,thumbor/thumbor,gselva/thumbor,voxmedia/thumbor,grevutiu-gabriel/thumbor,jdunaravich/thumbor,marcelometal/thumbor,wking/thumbor,gi11es/thumbor,2947721120/thumbor,Jimdo/thumbor,kkopachev/thumbor,lfalcao/thumbor,adeboisanger/thumbor,jiangzhonghui/thumbor,abaldwin1/thumbor,BetterCollective/thumbor,Jimdo/thumbor,food52/thumbor,2947721120/thumbor,gselva/thumbor,abaldwin1/thumbor,wking/thumbor,jdunaravich/thumbor,davduran/thumbor,felipemorais/thumbor,suwaji/thumbor,camargoanderso/thumbor,voxmedia/thumbor,Jimdo/thumbor,jdunaravich/thumbor,lfalcao/thumbor,voxmedia/thumbor,2947721120/thumbor,figarocms/thumbor,davduran/thumbor,camargoanderso/thumbor,jiangzhonghui/thumbor,Bladrak/thumbor,raphaelfruneaux/thumbor,camargoanderso/thumbor,grevutiu-gabriel/thumbor,abaldwin1/thumbor,MaTriXy/thumbor,gi11es/thumbor,davduran/thumbor,dhardy92/thumbor,MaTriXy/thumbor,Jimdo/thumbor,MaTriXy/thumbor,wking/thumbor,raphaelfruneaux/thumbor,suwaji/thumbor,lfalcao/thumbor,food52/thumbor,raphaelfruneaux/thumbor,scorphus/thumbor,figarocms/thumbor,figarocms/thumbor,abaldwin1/thumbor,2947721120/thumbor,okor/thumbor,kkopachev/thumbor,kkopachev/thumbor,figarocms/thumbor,grevutiu-gabriel/thumbor,felipemorais/thumbor,suwaji/thumbor,gselva/thumbor,thumbor/thumbor,fanhero/thumbor,aaxx/thumbor,okor/thumbor,dhardy92/thumbor,gselva/thumbor,grevutiu-gabriel/thumbor,adeboisanger/thumbor,adeboisanger/thumbor,scorphus/thumbor,suwaji/thumbor,Bladrak/thumbor,camargoanderso/thumbor,gi11es/thumbor,food52/thumbor,kkopachev/thumbor,aaxx/thumbor,thumbor/thumbor,aaxx/thumbor,jiangzhonghui/thumbor,thumbor/thumbor,scorphus/thumbor,jdunaravich/thumbor,MaTriXy/thumbor,marcelometal/thumbor,marcelometal/thumbor,fanhero/thumbor,aaxx/thumbor,BetterCollective/thumbor,adeboisanger/thumbor,food52/thumbor