Jdiff change for 0.13.0

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1608540 13f79535-47bb-0310-9956-ffa450edef68
PIG-3935: Port more mini cluster tests to Tez - part 5 (rohini)

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1608593 13f79535-47bb-0310-9956-ffa450edef68