private int getTesterPort(ApplicationId applicationId) {
        ServiceInfo serviceInfo = getTesterServiceInfo(applicationId);
        return serviceInfo.getPorts().stream().filter(portInfo -> portInfo.getTags().contains("http")).findFirst().get().getPort();
    }
Deletes an application and associated resources

@return true if the application was found and deleted, false if it was not present
@throws RuntimeException if deleting the application fails. This method is exception safe.
configserver/src/main/java/com/yahoo/vespa/config/server/ApplicationRepository.java