TST: Also skip appropriately in viz.window.
TST: Also skip appropriately in viz.window.

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