@Test
    public void methodTests() throws Exception {
        MqttMessage v5Message = new MqttMessage(MESSAGE_PAYLOAD.getBytes());
        v5Message.setQos(QOS);
        IMqttToken deliveryToken = mqttClient.publish(TOPIC, v5Message);
        deliveryToken.waitForCompletion(WAIT_FOR_COMPLETION);

        PluginTestVerifier verifier = PluginTestVerifierHolder.getInstance();
        verifier.awaitTraceCount(3, 100, 5000);
        verifier.verifyTraceCount(3);
        verifier.printCache();
        verifyTrace(verifier);
    }
@author Younsung Hwang
@author Taejin Koo
agent-module/plugins-it/paho-mqtt-it/src/test/java/com/navercorp/pinpoint/it/plugin/paho/mqtt/PahoMqttV5ClientIT.java