Certificate: []byte("junk"),
				},
			},
			old: &certificates.CertificateSigningRequest{
				Spec: certificates.CertificateSigningRequestSpec{
					SignerName:        "fancy",
					ExpirationSeconds: ptr.To[int32](77),
				},
			},
			options:       &metav1.UpdateOptions{},
			wantSigner:    "other",
			wantRequested: true,
			wantHonored:   false,
		},
		{

		}
	}

	if r.maxExpirationSeconds > 0 && req.Spec.ExpirationSeconds > r.maxExpirationSeconds {
		//only positive value is valid
		warning.AddWarning(ctx, "", fmt.Sprintf("requested expiration of %d seconds shortened to %d seconds", req.Spec.ExpirationSeconds, r.maxExpirationSeconds))
		req.Spec.ExpirationSeconds = r.maxExpirationSeconds
	}

  //   3. Signer whose configured minimum is longer than the requested duration
  //
  // The minimum valid value for expirationSeconds is 600, i.e. 10 minutes.
  //
  // +optional
  optional int32 expirationSeconds = 8;

  // allowedUsages specifies a set of usage contexts the key will be
  // valid for.
  // See:
  // 	https://tools.ietf.org/html/rfc5280#section-4.2.1.3

  //   3. Signer whose configured minimum is longer than the requested duration
  //
  // The minimum valid value for expirationSeconds is 600, i.e. 10 minutes.
  //
  // +optional
  optional int32 expirationSeconds = 8;

  // allowedUsages specifies a set of usage contexts the key will be
  // valid for.
  // See:
  // 	https://tools.ietf.org/html/rfc5280#section-4.2.1.3

	// ExpirationSeconds is the requested duration of validity of the request. The
	// token issuer may return a token with a different validity duration so a
	// client needs to check the 'expiration' field in a response.
	// +optional
	ExpirationSeconds *int64 `json:"expirationSeconds" protobuf:"varint,4,opt,name=expirationSeconds"`

			},
		},
		"expirationSeconds set": {
			ctx: genericapirequest.NewContext(),
			obj: &certapi.CertificateSigningRequest{
				Spec: certapi.CertificateSigningRequestSpec{
					ExpirationSeconds: ptr.To[int32](1234),
				},
			},
			expectedObj: &certapi.CertificateSigningRequest{
				Spec: certapi.CertificateSigningRequestSpec{
					ExpirationSeconds: ptr.To[int32](1234),
				},

spec:
  attachRequired: true
  fsGroupPolicy: fsGroupPolicyValue
  podInfoOnMount: true
  requiresRepublish: true
  seLinuxMount: true
  storageCapacity: true
  tokenRequests:
  - audience: audienceValue
    expirationSeconds: 2
  volumeLifecycleModes:

  selfLink: selfLinkValue
  uid: uidValue
spec:
  audiences:
  - audiencesValue
  boundObjectRef:
    apiVersion: apiVersionValue
    kind: kindValue
    name: nameValue
    uid: uidValue
  expirationSeconds: 4
status:
  expirationTimestamp: "2002-01-01T01:01:01Z"

spec:
  attachRequired: true
  fsGroupPolicy: fsGroupPolicyValue
  podInfoOnMount: true
  requiresRepublish: true
  seLinuxMount: true
  storageCapacity: true
  tokenRequests:
  - audience: audienceValue
    expirationSeconds: 2
  volumeLifecycleModes:

	//   3. Signer whose configured minimum is longer than the requested duration
	//
	// The minimum valid value for expirationSeconds is 600, i.e. 10 minutes.
	//
	// +optional
	ExpirationSeconds *int32 `json:"expirationSeconds,omitempty" protobuf:"varint,8,opt,name=expirationSeconds"`

	// usages specifies a set of key usages requested in the issued certificate.
	//