Remove unnecessary test function
Remove unnecessary test function

FrancoisRheaultUS/dipy,nilgoyyou/dipy,villalonreina/dipy,matthieudumont/dipy,StongeEtienne/dipy,villalonreina/dipy,nilgoyyou/dipy,matthieudumont/dipy,FrancoisRheaultUS/dipy,StongeEtienne/dipy