ACCUMULO-581 fixed some issues with new shell unit test

git-svn-id: https://svn.apache.org/repos/asf/accumulo/branches/1.5@1459582 13f79535-47bb-0310-9956-ffa450edef68
ACCUMULO-581 delete shell unit test tmp folder

git-svn-id: https://svn.apache.org/repos/asf/accumulo/branches/1.5@1459584 13f79535-47bb-0310-9956-ffa450edef68
ACCUMULO-581 fixed some issues with new shell unit test

git-svn-id: https://svn.apache.org/repos/asf/accumulo/trunk@1459587 13f79535-47bb-0310-9956-ffa450edef68