@Override
      Optional<BinaryNode> createTree(int size, Random rng) {
        if (size == 0) {
          return Optional.absent();
        } else {
          int leftChildSize = (size - 1) / 2;
          int rightChildSize = size - 1 - leftChildSize;
          return Optional.of(
              new BinaryNode(
                  rng.nextInt(), createTree(leftChildSize, rng), createTree(rightChildSize, rng)));
        }
      }

			BaseName: "test-daughter",
		},
	}

	certTree, err := caCfg.AsMap().CertTree()
	if err != nil {
		t.Fatalf("unexpected error getting tree: %v", err)
	}

	if err := certTree.CreateTree(ic); err != nil {
		t.Fatal(err)
	}

	caCert, _ := parseCertAndKey(filepath.Join(dir, "test-ca"), t)
	daughterCert, _ := parseCertAndKey(filepath.Join(dir, "test-daughter"), t)

	pool := x509.NewCertPool()