Add test for default transformer
Add test for default transformer

vdumoulin/fuel,mjwillson/fuel,EderSantana/fuel,mjwillson/fuel,markusnagel/fuel,dwf/fuel,chrishokamp/fuel,laurent-dinh/fuel,janchorowski/fuel,rizar/fuel,bouthilx/fuel,dhruvparamhans/fuel,orhanf/fuel,jbornschein/fuel,ejls/fuel,aalmah/fuel,glewis17/fuel,laurent-dinh/fuel,codeaudit/fuel,vdumoulin/fuel,orhanf/fuel,ejls/fuel,bouthilx/fuel,mila-udem/fuel,glewis17/fuel,rizar/fuel,EderSantana/fuel,dribnet/fuel,janchorowski/fuel,dmitriy-serdyuk/fuel,markusnagel/fuel,dribnet/fuel,dmitriy-serdyuk/fuel,harmdevries89/fuel,lamblin/fuel,capybaralet/fuel,dwf/fuel,aalmah/fuel,chrishokamp/fuel,hantek/fuel,hantek/fuel,codeaudit/fuel,udibr/fuel,jbornschein/fuel,rodrigob/fuel,dhruvparamhans/fuel,mila-udem/fuel,udibr/fuel,harmdevries89/fuel,lamblin/fuel,capybaralet/fuel,rodrigob/fuel