@Test
	void offByDefault() {
		new ApplicationContextRunner()
			.withConfiguration(AutoConfigurations.of(EurekaClientConfigServerAutoConfiguration.class))
			.run(c -> assertThat(c.getBeanNamesForType(EurekaInstanceConfigBean.class).length).isEqualTo(0));
	}
@author Dave Syer
@author Biju Kunjummen
spring-cloud-netflix-eureka-client/src/test/java/org/springframework/cloud/netflix/eureka/config/EurekaClientConfigServerAutoConfigurationTests.java