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

nehawini/DevOps,jagadeeshboss/jenkins,mnryerasi/petstore,yavana93/jpetstore,heamanth/jenkin-url,AnnuChoudhary/jpet-latest-gradle-,AnnuChoudhary/jpet-latest-gradle-,tv-17/jpetstore-6,mnryerasi/petstore,grtgmc9/devopsproj,RagaviRadhakrishnan/jpetstore,aby555/Devops,mybatis/jpetstore-6,RagaviRadhakrishnan/jpetstore,grtgmc9/devopsproj,mnryerasi/petstore,niladri2/Devops,mayank-gokarna/jpetstore-6,niladri2/Devops,Perficient-DevOps/jpetstore-6,akms05/devops_training,RagaviRadhakrishnan/jpetstore,Manju260186/DevOpsRepo,heamanth/jenkin-url,mybatis/jpetstore-6,nehawini/DevOps,sukumarjenkins/devops,sukumarjenkins/devops,jagadeeshboss/jenkins,aby555/Devops,hazendaz/jpetstore-6,jagadeeshboss/jenkins,Manju260186/DevOpsRepo,heamanth/jenkin-url,madesgit/MYSCM,yavana93/jpetstore,nehawini/DevOps,madesgit/MYSCM,akms05/devops_training,niladri2/Devops,Pradeeshg/gitdemo,tv-17/jpetstore-6,hazendaz/jpetstore-6,akms05/devops_training,AnnuChoudhary/jpet-latest-gradle-,sukumarjenkins/devops,aby555/Devops,grtgmc9/devopsproj,Pradeeshg/gitdemo,Manju260186/DevOpsRepo,yavana93/jpetstore,Pradeeshg/gitdemo,tv-17/jpetstore-6,madesgit/MYSCM,Perficient-DevOps/jpetstore-6,tv-17/jpetstore-6,Perficient-DevOps/jpetstore-6,mayank-gokarna/jpetstore-6