}
	for _, test := range execTests {
		var tmpl *Template
		var err error
		if template == nil {
			tmpl, err = New(test.name).Funcs(funcs).Parse(test.input)
		} else {
			tmpl, err = template.New(test.name).Funcs(funcs).Parse(test.input)
		}
		if err != nil {
			t.Errorf("%s: parse error: %s", test.name, err)
			continue
		}
		b.Reset()
		err = tmpl.Execute(b, test.data)
		switch {

		"zeroArgs":    zeroArgs,
	}
	for _, test := range execTests {
		var tmpl *Template
		var err error
		if template == nil {
			tmpl, err = New(test.name).Funcs(funcs).Parse(test.input)
		} else {
			tmpl, err = template.Clone()
			if err != nil {
				t.Errorf("%s: clone error: %s", test.name, err)
				continue
			}
			tmpl, err = tmpl.New(test.name).Funcs(funcs).Parse(test.input)
		}
		if err != nil {

	}

	for _, test := range tests {
		t.Run(test.name, func(t *testing.T) {
			tmpl := New(test.name)
			tmpl = Must(tmpl.Parse(test.input))
			// Check for bug 6459: Tree field was not set in Parse.
			if tmpl.Tree != tmpl.text.Tree {
				t.Fatalf("%s: tree not set properly", test.name)
			}
			b := new(strings.Builder)
			if err := tmpl.Execute(b, data); err != nil {

			config.New(t).
				Source(config.File("testdata/authz/mtls.yaml.tmpl")).
				Source(config.File("testdata/authz/deny-global.yaml.tmpl").WithParams(param.Params{
					param.Namespace.String(): istio.ClaimSystemNamespaceOrFail(t, t),
				})).
				Source(config.File("testdata/authz/deny-principal.yaml.tmpl").WithParams(
					param.Params{
						"Denied": denied,
					})).
				BuildAll(nil, to).

			// substitution.
			if !subst {
				st.subs.add(a)
			}
			args := st.templateArgs()
			tmpl := &Template{Name: a, Args: args}
			if isCast {
				st.setTemplate(a, tmpl)
				st.clearTemplateArgs(args)
				isCast = false
			}
			a = tmpl
		}
		if isCast {
			st.setTemplate(a, nil)
		}
		return a, false
	}

	a, isCast := st.unqualifiedName(module)

	if err != nil {
		t.Fatal(err)
	}
	keyPEM := pem.EncodeToMemory(&pem.Block{Type: "PRIVATE KEY", Bytes: keyDER})
	tmpl := &x509.Certificate{
		SerialNumber: big.NewInt(1),
		Subject:      pkix.Name{CommonName: "test"},
	}
	certDER, err := x509.CreateCertificate(rand.Reader, tmpl, tmpl, key.Public(), key)
	if err != nil {
		t.Fatal(err)
	}

	tearDown, apiExtensionClient, _, etcdClient, etcdPrefix, err := fixtures.StartDefaultServerWithClientsAndEtcd(t)
	if err != nil {
		t.Fatal(err)
	}
	defer tearDown()

	tmpl := `
apiVersion: apiextensions.k8s.io/v1beta1
kind: CustomResourceDefinition
spec:
  preserveUnknownFields: PRESERVE_UNKNOWN_FIELDS
  version: v1beta1
  names:
    plural: foos
    singular: foo

	"istio.io/istio/pkg/config/mesh"
	"istio.io/istio/pkg/config/protocol"
	"istio.io/istio/pkg/config/schema/gvk"
	"istio.io/istio/pkg/kube"
	"istio.io/istio/pkg/test"
	"istio.io/istio/pkg/test/util/tmpl"
	"istio.io/istio/pkg/util/protomarshal"
)

func flattenInstances(il ...[]*model.ServiceInstance) []*model.ServiceInstance {
	ret := []*model.ServiceInstance{}
	for _, i := range il {
		ret = append(ret, i...)
	}

	if err != nil {
		t.Fatal(err)
	}
	tmpl := &x509.Certificate{
		SerialNumber: big.NewInt(1),
		Subject:      pkix.Name{CommonName: "test"},
		DNSNames:     []string{"example.golang"},
		NotBefore:    testConfig.Time().Add(-time.Hour),
		NotAfter:     testConfig.Time().Add(time.Hour),
	}
	certDER, err := x509.CreateCertificate(rand.Reader, tmpl, tmpl, k.Public(), k)
	if err != nil {
		t.Fatal(err)
	}

		t.Run(tt.v, func(t *testing.T) {
			tg := testgo(t)
			tg.parallel()
			defer tg.cleanup()
			tmpl := "{{context." + tt.v + "}}"
			tg.run("list", "-f", tmpl)
			if tt.want == "" {
				return
			}
			if got := strings.TrimSpace(tg.getStdout()); got != tt.want {
				t.Errorf("go list -f %q: got %q; want %q", tmpl, got, tt.want)
			}
		})
	}
}