Merged 5.2.N (5.2.1) to HEAD (5.2)

132620 rmunteanu: REPO-1543: Refactor tests for list site filtering
      - Clear the authentication context on tear down


git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@132694 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/test-java/org/alfresco/rest/api/tests/AbstractBaseApiTest.java

@@ -199,7 +199,7 @@ public abstract class AbstractBaseApiTest extends EnterpriseTestApi
         }
         
         users.clear();
-
+        AuthenticationUtil.clearCurrentSecurityContext();
         setRequestContext(null);
     }