[pom] Update mockito to 2.0.52-beta
[pom] Update mockito to 2.0.52-beta

hazendaz/waffle,AriSuutariST/waffle,hazendaz/waffle,hazendaz/waffle,AriSuutariST/waffle,dblock/waffle,dblock/waffle,dblock/waffle,Waffle/waffle,dblock/waffle,AriSuutariST/waffle,AriSuutariST/waffle,Waffle/waffle,Waffle/waffle