@Test(dependsOnMethods = "testExecuteWithoutProperties", description = "testing execute method without properties " +
        "and operation type config")
public void testExecutionWithoutPropertiesNonCommandType() throws PushNotificationExecutionFailedException {

    operation.setType(Operation.Type.CONFIG);
    operation.setProperties(null);
    notificationContext = new NotificationContext(deviceIdentifier, operation);
    mqttNotificationStrategy.execute(notificationContext);
}