private EurekaHttpClient buildEurekaHttpClient() {
		return buildEurekaHttpClient(Collections.emptySet());
	}
Tests for {@link RestClientEurekaHttpClient}.

@author Wonchul Heo
@author Olga Maciaszek-Sharma
spring-cloud-netflix-eureka-client/src/test/java/org/springframework/cloud/netflix/eureka/http/RestClientEurekaHttpClientTests.java