@Test(dependsOnMethods = "testExecuteWithoutProperties", description = "testing execute method with properties")
public void testExecute() throws PushNotificationExecutionFailedException {

    Properties properties = new Properties();
    properties.setProperty(MQTT_ADAPTER_TOPIC, "SampleTopic");
    operation.setProperties(properties);
    notificationContext = new NotificationContext(deviceIdentifier, operation);
    notificationContext.setProperties(propertiesMap);
    mqttNotificationStrategy.execute(notificationContext);
}