cubicweb-tracker #3016695 notification tests break with cw 3.18 [validation pending]

cw.sobjects.notification.RenderAndSendNotificationView was removed

prioritynormal
typetask
done in1.15.0
load0.250
load left0.000
closed by#f8707fc10d23 [notif] cw 3.17 compat (closes #3016695)
patchtest: cw 3.18 compat (closes #3016695) [applied]