change test mock dataset of svhn
change test mock dataset of svhn

janchorowski/fuel,hantek/fuel,aalmah/fuel,markusnagel/fuel,dmitriy-serdyuk/fuel,harmdevries89/fuel,capybaralet/fuel,chrishokamp/fuel,glewis17/fuel,aalmah/fuel,chrishokamp/fuel,dribnet/fuel,capybaralet/fuel,dmitriy-serdyuk/fuel,udibr/fuel,mila-udem/fuel,udibr/fuel,dribnet/fuel,markusnagel/fuel,vdumoulin/fuel,vdumoulin/fuel,hantek/fuel,mila-udem/fuel,harmdevries89/fuel,janchorowski/fuel,glewis17/fuel