Correcting integration test

modules/integration/tests-integration/src/test/java/org/wso2/iot/integration/jmeter/DeviceTypeManagementJMeterTestCase.java

@@ -89,7 +89,7 @@ public class DeviceTypeManagementJMeterTestCase extends TestBase {
         // Allow some time for message delivery
         Thread.sleep(10000);
         ArrayList<MqttMessage> mqttMessages = mqttDeviceSubscriberClient.getMqttMessages();
-        Assert.assertEquals("listener did not recieve mqtt messages ", 0, mqttMessages.size());
+        Assert.assertEquals("listener did not recieve mqtt messages ", 1, mqttMessages.size());
 
         String topicPub = automationContext.getContextTenant().getDomain() + "/"+deviceType+"/"+deviceId+"/events";
         int qos = 2;