cap the num of nodes on the noSNAT test and remove slow and NoSNAT tag

run NoSNAT network test between pods without any feature tag

Author: aojea

test/e2e/feature/feature.go

@@ -254,10 +254,6 @@ var (
 	// TODO: document the feature (owning SIG, when to use this feature for a test)
 	NodeOutOfServiceVolumeDetach = framework.WithFeature(framework.ValidFeatures.Add("NodeOutOfServiceVolumeDetach"))
 
-	// Owner: sig-network
-	// Marks a single test that tests pod-to-pod connectivity between every pair of nodes.
-	NoSNAT = framework.WithFeature(framework.ValidFeatures.Add("NoSNAT"))
-
 	// Owner: sig-network
 	// Marks a single test that tests cluster DNS performance with many services.
 	PerformanceDNS = framework.WithFeature(framework.ValidFeatures.Add("PerformanceDNS"))

test/e2e/network/no_snat.go

@@ -29,7 +29,6 @@ import (
 	"k8s.io/apimachinery/pkg/util/wait"
 	admissionapi "k8s.io/pod-security-admission/api"
 
-	"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"
@@ -64,15 +63,15 @@ var (
 
 // This test verifies that a Pod on each node in a cluster can talk to Pods on every other node without SNAT.
 // We use the [Feature:NoSNAT] tag so that most jobs will skip this test by default.
-var _ = common.SIGDescribe("NoSNAT", feature.NoSNAT, framework.WithSlow(), func() {
+var _ = common.SIGDescribe("NoSNAT", func() {
 	f := framework.NewDefaultFramework("no-snat-test")
 	f.NamespacePodSecurityLevel = admissionapi.LevelPrivileged
 	ginkgo.It("Should be able to send traffic between Pods without SNAT", func(ctx context.Context) {
 		cs := f.ClientSet
 		pc := cs.CoreV1().Pods(f.Namespace.Name)
 
 		ginkgo.By("creating a test pod on each Node")
-		nodes, err := e2enode.GetReadySchedulableNodes(ctx, cs)
+		nodes, err := e2enode.GetBoundedReadySchedulableNodes(ctx, cs, 3)
 		framework.ExpectNoError(err)
 		gomega.Expect(nodes.Items).ToNot(gomega.BeEmpty(), "no Nodes in the cluster")