Pom currently requires Java 1.6, so fix Test code to comply

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/jcs/trunk@1604299 13f79535-47bb-0310-9956-ffa450edef68
Partial revert of http://svn.apache.org/r1598071
Remove the LogHelper changes, as per ML discussion

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/jcs/trunk@1604302 13f79535-47bb-0310-9956-ffa450edef68