if len(tst.children) == 0 {
		doWork()
	} else {
		for _, child := range tst.children {
			subTest := t.NewSubTest(child.name)
			if tst.runChildrenParallel {
				subTest.RunParallel(child.runInternal)
			} else {
				subTest.Run(child.runInternal)
			}
		}
	}
	tst.runEnd = time.Now()
}

func (tst *test) timeRange() timeRange {
	return timeRange{

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package net

import (
	"flag"
	"fmt"
	"net/internal/socktest"
	"os"
	"runtime"
	"slices"
	"strings"
	"sync"
	"testing"
	"time"
)

var (
	sw socktest.Switch

	// uninstallTestHooks runs just before a run of benchmarks.
	testHookUninstaller sync.Once
)

var (

import (
	"fmt"

	"k8s.io/apiserver/pkg/registry/generic"
	genericapiserver "k8s.io/apiserver/pkg/server"
	serverstorage "k8s.io/apiserver/pkg/server/storage"
	"k8s.io/client-go/discovery"
	"k8s.io/klog/v2"
	svmrest "k8s.io/kubernetes/pkg/registry/storagemigration/rest"

	admissionregistrationrest "k8s.io/kubernetes/pkg/registry/admissionregistration/rest"
	apiserverinternalrest "k8s.io/kubernetes/pkg/registry/apiserverinternal/rest"

	// Use StableName instead of Name when creating subtests.
	Name() string

	// StableName gives a deterministic name for the cluster. Use this for test/subtest names to
	// allow test grid to compare runs, even when the underlying cluster names are dynamic.
	// Use Name for validation/interaction with the actual cluster.
	StableName() string

	// NetworkName the cluster is on

				_, err := kubetest.CheckPodsAreReady(kubetest.NewPodFetch(cs, gatewayNs.Name(), "istio=ingressgateway"))
				return err
			}, retry.Timeout(time.Minute*2), retry.Delay(time.Second))

			// Apply an envoy filter in a subtest to the existing gateway
			t.NewSubTest("filter").Run(func(t framework.TestContext) {
				for _, tt := range common.ProxyProtocolFilterAppliedGatewayCase(&apps, fmt.Sprintf("custom-gateway.%s.svc.cluster.local", gatewayNs.Name())) {

				Inject: true,
			})
			cases := []struct {
				name string
				// namespace, labels, and annotations for the echo instance
				pcAnnotation string
				// service, echo service to use for this subtest
				service string
				// proxyconfig resources to apply
				configs []proxyConfigInstance
				// expected environment variables post-injection
				expected map[string]string
			}{
				{