b = linesB[i]
		}
		fmt.Fprintf(w, "%s\t%s\n", a, b)
	}
	w.Flush()
	return buf.String()
}

// IgnoreUnset is an option that ignores fields that are unset on the right
// hand side of a comparison. This is useful in testing to assert that an
// object is a derivative.
func IgnoreUnset() cmp.Option {
	return cmp.Options{
		// ignore unset fields in v2
		cmp.FilterPath(func(path cmp.Path) bool {

		PublicKeyAlgorithm:    x509.ECDSA,
		SignatureAlgorithm:    x509.SHA256WithRSA,
		MaxPathLen:            -1,
	}

	if !cmp.Equal(*certs[0], want, diff.IgnoreUnset()) {
		t.Errorf("unexpected diff: %v", cmp.Diff(certs[0], want, diff.IgnoreUnset()))
	}
}

func TestHandle(t *testing.T) {
	cases := []struct {
		name string
		// parameters to be set on the generated CSR
		commonName string

			}

			opts := cmp.Options{
				cmpopts.IgnoreFields(x509.Certificate{},
					"SignatureAlgorithm",
					"PublicKeyAlgorithm",
					"Version",
					"MaxPathLen",
				),
				diff.IgnoreUnset(),
				cmp.Transformer("RoundTime", func(x time.Time) time.Time {
					return x.Truncate(time.Second)
				}),
				cmp.Comparer(func(x, y *url.URL) bool {