startTime := kubeadmutil.StartTimeUTC()
				notAfter := startTime.Add(test.expectedValidityPeriod)
				kubeconfigtestutil.AssertKubeConfigCurrentAuthInfoWithClientCert(t, config, caCert, notAfter, "myUser")
			}

			if test.withToken {
				// checks that kubeconfig files have expected token
				kubeconfigtestutil.AssertKubeConfigCurrentAuthInfoWithToken(t, config, "myUser", "123456")
			}

			if len(test.clusterName) > 0 {