@Test
void should_be_set_when_exist_rend_batch_port() {

    environment.getPropertySources().addLast(new MapPropertySource("test", singletonMap("rend.batch.port", 11211)));
    processor.postProcessEnvironment(environment, null);
    assertThat(environment.getProperty("eureka.instance.metadata-map.rend.batch.port")).isEqualTo("11211");
}