public static ApplicationId applicationId() {
        return ApplicationId.from(
                TenantName.from(UUID.randomUUID().toString()),
                ApplicationName.from(UUID.randomUUID().toString()),
                InstanceName.from(UUID.randomUUID().toString()));
    }
Assert on the current *non retired* nodes
node-repository/src/test/java/com/yahoo/vespa/hosted/provision/provisioning/ProvisioningTester.java