chore: refine implementing declaration, fix import cycle

Signed-off-by: STRRL <[email protected]>

Author: STRRL

pkg/webhook/admission/admissiontest/doc.go

@@ -14,17 +14,16 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package admissiontest
+package admission
 
 import (
 	"k8s.io/apimachinery/pkg/runtime"
 	"k8s.io/apimachinery/pkg/runtime/schema"
-	"sigs.k8s.io/controller-runtime/pkg/webhook"
 )
 
 var _ runtime.Object = (*FakeValidator)(nil)
 var _ schema.ObjectKind = (*FakeValidator)(nil)
-var _ webhook.Validator = (*FakeValidator)(nil)
+var _ Validator = (*FakeValidator)(nil)
 
 // FakeValidator provides fake validating webhook functionality for testing
 // It implements the admission.Validator interface and
@@ -72,7 +71,7 @@ func (v *FakeValidator) SetGroupVersionKind(gvk schema.GroupVersionKind) {
 
 var _ runtime.Object = (*FakeValidatorWarn)(nil)
 var _ schema.ObjectKind = (*FakeValidatorWarn)(nil)
-var _ webhook.ValidatorWarn = (*FakeValidatorWarn)(nil)
+var _ ValidatorWarn = (*FakeValidatorWarn)(nil)
 
 // FakeValidatorWarn provides fake validating webhook functionality for testing
 // It implements the admission.ValidatorWarn interface and