System.out.println("testAuditAndCaesarCipher");
RequestHandlerChain chain = new RequestHandlerChain();
CaesarCipherHandler caesarCipherHandler = new CaesarCipherHandler(-1);
chain.addLast(caesarCipherHandler);
AuditFilter auditHandler = new AuditFilter();
chain.addLast(auditHandler);
chain.addLast(new EchoHandler());