@Test public void decorateRabbitTemplate_adds_by_default() {

  RabbitTemplate template = new RabbitTemplate();
  assertThat(rabbitTracing.decorateRabbitTemplate(template))
    .extracting("beforePublishPostProcessors")
    .satisfies(postProcessors -> assertThat(((Collection) postProcessors)).anyMatch(
      postProcessor -> postProcessor instanceof TracingMessagePostProcessor
    ));
}