diff --git a/e2e/custom_capsule_group_test.go b/e2e/custom_capsule_group_test.go
index dd8f96e2f..0a98b257e 100644
--- a/e2e/custom_capsule_group_test.go
+++ b/e2e/custom_capsule_group_test.go
@@ -32,10 +32,13 @@ import (
 var _ = Describe("creating a Namespace as Tenant owner with custom --capsule-group", func() {
 	tnt := &v1alpha1.Tenant{
 		ObjectMeta: metav1.ObjectMeta{
-			Name: "tenant-assigned-custom-group",
+			Name: "tenantassignedcustomgroup",
 		},
 		Spec: v1alpha1.TenantSpec{
-			Owner:          "alice",
+			Owner: v1alpha1.OwnerSpec{
+				Name: "alice",
+				Kind: "User",
+			},
 			StorageClasses: []string{},
 			IngressClasses: []string{},
 			LimitRanges:    []corev1.LimitRangeSpec{},
diff --git a/e2e/force_tenant_prefix_test.go b/e2e/force_tenant_prefix_test.go
index 3659d6456..3d17e7b81 100644
--- a/e2e/force_tenant_prefix_test.go
+++ b/e2e/force_tenant_prefix_test.go
@@ -78,7 +78,7 @@ var _ = Describe("creating a Namespace with --force-tenant-name flag", func() {
 		args := append(defaulManagerPodArgs, []string{"--force-tenant-prefix"}...)
 		ModifyCapsuleManagerPodArgs(args)
 		ns := NewNamespace("test")
-		NamespaceCreationShouldFail(ns, t1, podRecreationTimeoutInterval)
+		NamespaceCreationShouldNotSucceed(ns, t1, podRecreationTimeoutInterval)
 	})
 	It("should be assigned to the second Tenant", func() {
 		ns := NewNamespace("second-test")
diff --git a/e2e/protected_namespace_regex_test.go b/e2e/protected_namespace_regex_test.go
index dce578135..5cb3acf84 100644
--- a/e2e/protected_namespace_regex_test.go
+++ b/e2e/protected_namespace_regex_test.go
@@ -32,7 +32,10 @@ var _ = Describe("creating a Namespace with --protected-namespace-regex enabled"
 			Name: "tenantprotectednamespace",
 		},
 		Spec: v1alpha1.TenantSpec{
-			Owner:          "alice",
+			Owner: v1alpha1.OwnerSpec{
+				Name: "alice",
+				Kind: "User",
+			},
 			StorageClasses: []string{},
 			IngressClasses: []string{},
 			LimitRanges:    []corev1.LimitRangeSpec{},
diff --git a/e2e/tenant_resources_test.go b/e2e/tenant_resources_test.go
index da49ea115..73f5ef6d5 100644
--- a/e2e/tenant_resources_test.go
+++ b/e2e/tenant_resources_test.go
@@ -28,7 +28,6 @@ import (
 	. "github.com/onsi/gomega"
 	corev1 "k8s.io/api/core/v1"
 	networkingv1 "k8s.io/api/networking/v1"
-	v1 "k8s.io/api/networking/v1"
 	"k8s.io/apimachinery/pkg/api/resource"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/types"
@@ -109,7 +108,7 @@ var _ = Describe("creating namespaces within a Tenant with resources", func() {
 									PodSelector: &metav1.LabelSelector{},
 								},
 								{
-									IPBlock: &v1.IPBlock{
+									IPBlock: &networkingv1.IPBlock{
 										CIDR: "192.168.0.0/12",
 									},
 								},
@@ -120,7 +119,7 @@ var _ = Describe("creating namespaces within a Tenant with resources", func() {
 						{
 							To: []networkingv1.NetworkPolicyPeer{
 								{
-									IPBlock: &v1.IPBlock{
+									IPBlock: &networkingv1.IPBlock{
 										CIDR: "0.0.0.0/0",
 										Except: []string{
 											"192.168.0.0/12",
@@ -131,9 +130,9 @@ var _ = Describe("creating namespaces within a Tenant with resources", func() {
 						},
 					},
 					PodSelector: metav1.LabelSelector{},
-					PolicyTypes: []v1.PolicyType{
-						v1.PolicyTypeIngress,
-						v1.PolicyTypeEgress,
+					PolicyTypes: []networkingv1.PolicyType{
+						networkingv1.PolicyTypeIngress,
+						networkingv1.PolicyTypeEgress,
 					},
 				},
 			},
diff --git a/pkg/webhook/tenant_name/validating.go b/pkg/webhook/tenant_name/validating.go
index 7c3959c16..4cdd200fc 100644
--- a/pkg/webhook/tenant_name/validating.go
+++ b/pkg/webhook/tenant_name/validating.go
@@ -56,8 +56,8 @@ func (r *handler) OnCreate(ctx context.Context, req admission.Request, clt clien
 
 	matched, _ := regexp.MatchString(`^[a-z0-9]([a-z0-9]*[a-z0-9])?$`, tnt.GetName())
 	if !matched {
-		fmt.Printf("%s not mached", tnt.GetName())
-		return admission.Denied("Tenant name had forbidden characters")
+		fmt.Printf("%s not matched", tnt.GetName())
+		return admission.Denied("Tenant name has forbidden characters")
 	}
 	return admission.Allowed("")
 }