BlockingConnection publisherConnection = mqtt.blockingConnection();
Topic topic = new Topic(TEST_TOPIC, QoS.AT_MOST_ONCE);
MockEndpoint mock = getMockEndpoint("mock:result");
mock.expectedMinimumMessageCount(numberOfMessages);
publisherConnection.connect();
for (int i = 0; i < numberOfMessages; i++) {
String payload = "Message " + i;
publisherConnection.publish(topic.name().toString(), payload.getBytes(), QoS.AT_LEAST_ONCE, false);
}