name:             "Ratcheting, For creation, FG disabled, no OptionalOldSelf, no field drop",
			enableRatcheting: false,
			crd:              &apiextensions.CustomResourceDefinition{},
			oldCRD:           nil,
			expectedCRD:      &apiextensions.CustomResourceDefinition{},
		},
		{
			name:             "Ratcheting, For creation, FG disabled, set OptionalOldSelf, drop OptionalOldSelf",
			enableRatcheting: false,

						{Rule: "self >= oldSelf.value()", OptionalOldSelf: ptr.To(true)},
						{Rule: "self >= oldSelf.orValue(1)", OptionalOldSelf: ptr.To(true)},
						{Rule: "oldSelf.hasValue() ? self >= oldSelf.value() : true", OptionalOldSelf: ptr.To(true)},
						{Rule: "self >= oldSelf", OptionalOldSelf: ptr.To(true)},
						{Rule: "self >= oldSelf.orValue('')", OptionalOldSelf: ptr.To(true)},
					},
				},
			},

            "message": "messageValue",
            "messageExpression": "messageExpressionValue",
            "reason": "reasonValue",
            "fieldPath": "fieldPathValue",
            "optionalOldSelf": true
          }
        ]
      }
    },
    "subresources": {
      "status": {},
      "scale": {
        "specReplicasPath": "specReplicasPathValue",

      x-kubernetes-preserve-unknown-fields: true
      x-kubernetes-validations:
      - fieldPath: fieldPathValue
        message: messageValue
        messageExpression: messageExpressionValue
        optionalOldSelf: true
        reason: reasonValue
        rule: ruleValue
  version: versionValue
  versions:
  - additionalPrinterColumns:
    - JSONPath: JSONPathValue
      description: descriptionValue

		dropSelectableFields(&newCRD.Spec)
	}
}

// dropOptionalOldSelfField drops field optionalOldSelf from CRD schema
func dropOptionalOldSelfField(schema *apiextensions.JSONSchemaProps) {
	if schema == nil {
		return
	}
	for i := range schema.XValidations {
		schema.XValidations[i].OptionalOldSelf = nil
	}

	if schema.AdditionalProperties != nil {

							Type:    "string",
							Default: jsonPtr("default"),
							XValidations: apiextensions.ValidationRules{
								{
									Rule:            "oldSelf.hasValue()",
									OptionalOldSelf: ptr.To(true),
									Message:         "foobarErrorMessage",
								},
							},
						},
					},
				},
			},
			errors: []string{"foobarErrorMessage"},
		},
		{

        x-kubernetes-preserve-unknown-fields: true
        x-kubernetes-validations:
        - fieldPath: fieldPathValue
          message: messageValue
          messageExpression: messageExpressionValue
          optionalOldSelf: true
          reason: reasonValue
          rule: ruleValue
    selectableFields:
    - jsonPath: jsonPathValue
    served: true
    storage: true
    subresources:
      scale:

                "message": "messageValue",
                "messageExpression": "messageExpressionValue",
                "reason": "reasonValue",
                "fieldPath": "fieldPathValue",
                "optionalOldSelf": true
              }
            ]
          }
        },
        "subresources": {
          "status": {},
          "scale": {
            "specReplicasPath": "specReplicasPathValue",

	*out = *in
	if in.Reason != nil {
		in, out := &in.Reason, &out.Reason
		*out = new(FieldValueErrorReason)
		**out = **in
	}
	if in.OptionalOldSelf != nil {
		in, out := &in.OptionalOldSelf, &out.OptionalOldSelf
		*out = new(bool)
		**out = **in
	}
	return
}

// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ValidationRule.

	*out = *in
	if in.Reason != nil {
		in, out := &in.Reason, &out.Reason
		*out = new(FieldValueErrorReason)
		**out = **in
	}
	if in.OptionalOldSelf != nil {
		in, out := &in.OptionalOldSelf, &out.OptionalOldSelf
		*out = new(bool)
		**out = **in
	}
	return
}

// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ValidationRule.