Test tear downs

git-svn-id: https://svn.apache.org/repos/asf/tomee/tomee/branches/tomee-1.7.x@1610636 13f79535-47bb-0310-9956-ffa450edef68
Fix StatelessInterceptorTest setup
StringBuilder

git-svn-id: https://svn.apache.org/repos/asf/tomee/tomee/branches/tomee-1.7.x@1610637 13f79535-47bb-0310-9956-ffa450edef68
Tear downs

git-svn-id: https://svn.apache.org/repos/asf/tomee/tomee/branches/tomee-1.7.x@1610642 13f79535-47bb-0310-9956-ffa450edef68