Avoid shallow copies of webhook

ref kubernetes-sigs/controller-runtime#1667

Author: acumino

test/integration/envtest/resourcemanager/tokeninvalidator/tokeninvalidator_suite_test.go

@@ -103,8 +103,8 @@ var _ = AfterSuite(func() {
 	Expect(testEnv.Stop()).To(Succeed())
 })
 
-func getMutatingWebhookConfigurations() []admissionregistrationv1.MutatingWebhookConfiguration {
-	return []admissionregistrationv1.MutatingWebhookConfiguration{
+func getMutatingWebhookConfigurations() []*admissionregistrationv1.MutatingWebhookConfiguration {
+	return []*admissionregistrationv1.MutatingWebhookConfiguration{
 		{
 			TypeMeta: metav1.TypeMeta{
 				APIVersion: admissionregistrationv1.SchemeGroupVersion.String(),

test/integration/envtest/seedadmissioncontroller/seedadmission_suite_test.go

@@ -68,8 +68,8 @@ var _ = BeforeSuite(func() {
 	By("starting test environment")
 	testEnv = &envtest.Environment{
 		WebhookInstallOptions: envtest.WebhookInstallOptions{
-			ValidatingWebhooks: []admissionregistrationv1.ValidatingWebhookConfiguration{*getValidatingWebhookConfig()},
-			MutatingWebhooks:   []admissionregistrationv1.MutatingWebhookConfiguration{*getMutatingWebhookConfig()},
+			ValidatingWebhooks: []*admissionregistrationv1.ValidatingWebhookConfiguration{getValidatingWebhookConfig()},
+			MutatingWebhooks:   []*admissionregistrationv1.MutatingWebhookConfiguration{getMutatingWebhookConfig()},
 		},
 	}
 	restConfig, err = testEnv.Start()