newTestSuiteIAM(bt, false),
			newTestSuiteIAM(bt, true),
		)
	}
	for i, testCase := range testCases {
		etcdStr := ""
		if testCase.withEtcdBackend {
			etcdStr = " (with etcd backend)"
		}
		t.Run(
			fmt.Sprintf("Test: %d, ServerType: %s%s", i+1, testCase.serverType, etcdStr),
			func(t *testing.T) {
				runAllIAMConcurrencyTests(testCase, &check{t, testCase.serverType})
			},
		)
	}
}

	"k8s.io/kubernetes/cmd/kubeadm/app/cmd/options"
	"k8s.io/kubernetes/cmd/kubeadm/app/cmd/phases/workflow"
	cmdutil "k8s.io/kubernetes/cmd/kubeadm/app/cmd/util"
	etcdphase "k8s.io/kubernetes/cmd/kubeadm/app/phases/etcd"
	etcdutil "k8s.io/kubernetes/cmd/kubeadm/app/util/etcd"
)

var (
	etcdLocalExample = cmdutil.Examples(`
		# Generates the static Pod manifest file for etcd, functionally
		# equivalent to what is generated by kubeadm init.

}

// IntegrationEtcdServers returns etcd server URLs.
func IntegrationEtcdServers() []string {
	if etcdURL, ok := os.LookupEnv("KUBE_INTEGRATION_ETCD_URL"); ok {
		return []string{etcdURL}
	}
	return []string{"http://127.0.0.1:2379"}