Don't swallow exception message.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1604376 13f79535-47bb-0310-9956-ffa450edef68
Remove empty test setup and tear down methods.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1604394 13f79535-47bb-0310-9956-ffa450edef68