@Override
				protected Mono<Health> doHealthCheck(Health.Builder builder) {
					return Mono.just(builder.up().build());
				}
Tests the {@link EurekaHealthCheckHandler} with different health indicator registered.

@author Jakub Narloch
@author Nowrin Anwar Joyita
@author Olga Maciaszek-Sharma
spring-cloud-netflix-eureka-client/src/test/java/org/springframework/cloud/netflix/eureka/EurekaHealthCheckHandlerTests.java