Remove unused service account creation from node_authn.go

Author: vinayakankugoyal

test/e2e/auth/node_authn.go

@@ -23,9 +23,7 @@ import (
 	"strconv"
 
 	v1 "k8s.io/api/core/v1"
-	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/kubernetes/pkg/cluster/ports"
-	"k8s.io/kubernetes/test/e2e/feature"
 	"k8s.io/kubernetes/test/e2e/framework"
 	e2enode "k8s.io/kubernetes/test/e2e/framework/node"
 	e2epod "k8s.io/kubernetes/test/e2e/framework/pod"
@@ -36,7 +34,7 @@ import (
 	"github.com/onsi/gomega"
 )
 
-var _ = SIGDescribe(feature.NodeAuthenticator, func() {
+var _ = SIGDescribe("NodeAuthenticator", func() {
 
 	f := framework.NewDefaultFramework("node-authn")
 	f.NamespacePodSecurityLevel = admissionapi.LevelBaseline
@@ -68,18 +66,6 @@ var _ = SIGDescribe(feature.NodeAuthenticator, func() {
 	})
 
 	ginkgo.It("The kubelet can delegate ServiceAccount tokens to the API server", func(ctx context.Context) {
-		ginkgo.By("create a new ServiceAccount for authentication")
-		trueValue := true
-		newSA := &v1.ServiceAccount{
-			ObjectMeta: metav1.ObjectMeta{
-				Namespace: ns,
-				Name:      "node-auth-newsa",
-			},
-			AutomountServiceAccountToken: &trueValue,
-		}
-		_, err := f.ClientSet.CoreV1().ServiceAccounts(ns).Create(ctx, newSA, metav1.CreateOptions{})
-		framework.ExpectNoError(err, "failed to create service account (%s:%s)", ns, newSA.Name)
-
 		pod := createNodeAuthTestPod(ctx, f)
 
 		for _, nodeIP := range nodeIPs {

test/e2e/feature/feature.go

@@ -311,9 +311,6 @@ var (
 	// Testing node allocatable validations
 	NodeAllocatable = framework.WithFeature(framework.ValidFeatures.Add("NodeAllocatable"))
 
-	// TODO: document the feature (owning SIG, when to use this feature for a test)
-	NodeAuthenticator = framework.WithFeature(framework.ValidFeatures.Add("NodeAuthenticator"))
-
 	// Owner: sig-node
 	// Node Problem Detect e2e tests in tree.
 	NodeProblemDetector = framework.WithFeature(framework.ValidFeatures.Add("NodeProblemDetector"))