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