@Bean
	public MappingJackson2HttpMessageConverter mappingJacksonHttpMessageConverter() {
		return EurekaHttpClientUtils.mappingJacksonHttpMessageConverter();
	}
Simulates Eureka Server own's serialization.
@return converter
spring-cloud-netflix-eureka-client/src/test/java/org/springframework/cloud/netflix/eureka/http/EurekaServerMockApplication.java