config := v1.Config{
		Clusters: []v1.NamedCluster{
			{Cluster: v1.Cluster{Server: endpoint, InsecureSkipTLSVerify: true}},
		},
	}
	f, err := ioutil.TempFile("", "k8s_audit_webhook_test_")
	require.NoError(t, err, "creating temp file")

	defer func() {
		f.Close()
		os.Remove(f.Name())
	}()

	// NOTE(ericchiang): Do we need to use a proper serializer?

	config := v1.Config{
		Clusters: []v1.NamedCluster{
			{Cluster: v1.Cluster{Server: "localhost", InsecureSkipTLSVerify: true}},
		},
	}
	f, err := ioutil.TempFile("", "k8s_audit_webhook_test_")
	require.NoError(t, err, "creating temp file")
	require.NoError(t, stdjson.NewEncoder(f).Encode(config), "writing webhook kubeconfig")
	require.NoError(t, f.Close())
	return f.Name()
}