t.Fatalf("failed to connect %v", err)
	}
	conn.Close()
}

func connect(socket string) (*grpc.ClientConn, error) {
	var opts []grpc.DialOption

	opts = append(opts, grpc.WithTransportCredentials(insecure.NewCredentials()), grpc.WithContextDialer(func(ctx context.Context, addr string) (net.Conn, error) {
		var d net.Dialer
		return d.DialContext(ctx, "unix", socket)
	}))

	conn, err := grpc.Dial(socket, opts...)
	if err != nil {