},
			want: `
# HELP root_ca_cert_publisher_sync_total [ALPHA] Number of namespace syncs happened in root ca cert publisher.
# TYPE root_ca_cert_publisher_sync_total counter
root_ca_cert_publisher_sync_total{code="500"} 1
				`,
		},
		{
			desc: "general error",
			err:  errors.New("test"),
			metrics: []string{
				"root_ca_cert_publisher_sync_total",
			},
			want: `