TST: Reduce test requirements for spdot (almost equal).
TST: Reduce test requirements for spdot (almost equal).

JohnGriffiths/dipy,rfdougherty/dipy,demianw/dipy,villalonreina/dipy,matthieudumont/dipy,villalonreina/dipy,FrancoisRheaultUS/dipy,sinkpoint/dipy,nilgoyyou/dipy,Messaoud-Boudjada/dipy,beni55/dipy,jyeatman/dipy,FrancoisRheaultUS/dipy,nilgoyyou/dipy,rfdougherty/dipy,sinkpoint/dipy,oesteban/dipy,oesteban/dipy,mdesco/dipy,StongeEtienne/dipy,mdesco/dipy,beni55/dipy,jyeatman/dipy,matthieudumont/dipy,StongeEtienne/dipy,Messaoud-Boudjada/dipy,demianw/dipy,JohnGriffiths/dipy