Warlock question (fear spell)

[pauen]

I've noticed that the fear spell is very useful to warlocks, however i have recognized that in the previous patches warlocks would consecutively use fear on me and keep dealing damage, as in the spell goes through it's whole duration... in patch 3.3 did they add the chance to break the spell when the target is attacked? cause that same fear effect spell is now shorter now........
im not very familiar of warlocks and such,