convert int32 to pointer using library function

pkg/controller/controller_utils_test.go

@@ -52,6 +52,7 @@ import (
 	"k8s.io/kubernetes/pkg/features"
 	"k8s.io/kubernetes/pkg/securitycontext"
 	testingclock "k8s.io/utils/clock/testing"
+	"k8s.io/utils/pointer"
 
 	"github.com/stretchr/testify/assert"
 )
@@ -76,7 +77,7 @@ func newReplicationController(replicas int) *v1.ReplicationController {
 			ResourceVersion: "18",
 		},
 		Spec: v1.ReplicationControllerSpec{
-			Replicas: func() *int32 { i := int32(replicas); return &i }(),
+			Replicas: pointer.Int32(int32(replicas)),
 			Selector: map[string]string{"foo": "bar"},
 			Template: &v1.PodTemplateSpec{
 				ObjectMeta: metav1.ObjectMeta{
@@ -138,7 +139,7 @@ func newReplicaSet(name string, replicas int) *apps.ReplicaSet {
 			ResourceVersion: "18",
 		},
 		Spec: apps.ReplicaSetSpec{
-			Replicas: func() *int32 { i := int32(replicas); return &i }(),
+			Replicas: pointer.Int32(int32(replicas)),
 			Selector: &metav1.LabelSelector{MatchLabels: map[string]string{"foo": "bar"}},
 			Template: v1.PodTemplateSpec{
 				ObjectMeta: metav1.ObjectMeta{