  void setupNoTrafficHealthyValidationHC() {
    const std::string yaml = R"EOF(
    timeout: 1s
    interval: 1s
    no_traffic_interval: 5s
    no_traffic_healthy_interval: 10s
    interval_jitter: 1s
    unhealthy_threshold: 1
    healthy_threshold: 1
    http_health_check:
      service_name_matcher:
        prefix: locations
      path: /healthcheck
    )EOF";

    allocHealthChecker(yaml);
    addCompletionCallback();
  }
  void setupNoTrafficHealthyValidationHC() {
    const std::string yaml = R"EOF(
    timeout: 1s
    interval: 1s
    no_traffic_interval: 5s
    no_traffic_healthy_interval: 10s
    interval_jitter: 1s
    unhealthy_threshold: 1
    healthy_threshold: 1
    http_health_check:
      service_name_matcher:
        prefix: locations
      path: /healthcheck
    )EOF";

    allocHealthChecker(yaml);
    addCompletionCallback();
  }