root.debug("Debug message #2");
root.debug("Debug message #3");
root.debug("Debug message #4");
root.error("Error with exception", new RuntimeException(
"Exception message"));
root.error("Error message #2");
server.stop();
assertTrue(server.getReceivedEmailSize() == 2);
final Iterator<SmtpMessage> messages = server.getReceivedEmail();
final SmtpMessage email = messages.next();