Update test_fetcher.py
Update test_fetcher.py
nilgoyyou/dipy,villalonreina/dipy,matthieudumont/dipy,StongeEtienne/dipy,villalonreina/dipy,nilgoyyou/dipy,matthieudumont/dipy,FrancoisRheaultUS/dipy,StongeEtienne/dipy,FrancoisRheaultUS/dipy