updated tests
updated tests

demianw/dipy,oesteban/dipy,sinkpoint/dipy,jyeatman/dipy,JohnGriffiths/dipy,StongeEtienne/dipy,matthieudumont/dipy,nilgoyyou/dipy,jyeatman/dipy,FrancoisRheaultUS/dipy,rfdougherty/dipy,villalonreina/dipy,matthieudumont/dipy,demianw/dipy,StongeEtienne/dipy,villalonreina/dipy,oesteban/dipy,FrancoisRheaultUS/dipy,nilgoyyou/dipy,JohnGriffiths/dipy,sinkpoint/dipy,rfdougherty/dipy