@After
    public void destroyJetty() throws Exception {
        server.stop();
        server.destroy();
        config.clear();
    }
With thanks to assistance of http://stackoverflow.com/b/20056601/2766538
@throws Exception any exception
gateway/platforms/servlet/src/test/java/io/apiman/gateway/platforms/servlet/auth/tls/BasicMutualAuthTest.java