" --annotations annotation=foobar --ports grpc=3550,http=8080 --serviceAccount test", " "),
			expectedException: false,
			expectedOutput:    customYAML,
		},
		{
			description: "valid case - create full workload group with shortnames",
			args: strings.Split("group create --name foo -n bar -l app=foo,bar=baz -p grpc=3550,http=8080"+

func ExampleEqualFold() {
	fmt.Println(bytes.EqualFold([]byte("Go"), []byte("go")))
	// Output: true
}

func ExampleFields() {
	fmt.Printf("Fields are: %q", bytes.Fields([]byte("  foo bar  baz   ")))
	// Output: Fields are: ["foo" "bar" "baz"]
}

func ExampleFieldsFunc() {
	f := func(c rune) bool {
		return !unicode.IsLetter(c) && !unicode.IsNumber(c)
	}

The default output is serialized YAML, which can be piped into 'kubectl apply -f -' to send the artifact to the API Server.`,
		Example: "  istioctl x workload group create --name foo --namespace bar --labels app=foo,bar=baz " +
			"--ports grpc=3550,http=8080 --annotations annotation=foobar --serviceAccount sa",
		Args: func(cmd *cobra.Command, args []string) error {
			if name == "" {
				return fmt.Errorf("expecting a workload name")
			}

	if err != nil {
		t.Fatalf("os.Stat: %v", err)
	}
	contents := strings.Repeat(" ", int(hdr.Size))

	hdr.Xattrs = map[string]string{
		"foo": "foo",
		"bar": "bar",
		"baz": "baz",
		"qux": "qux",
	}

	var buf bytes.Buffer
	writer := NewWriter(&buf)
	if err := writer.WriteHeader(hdr); err != nil {
		t.Fatal(err)
	}
	if _, err = writer.Write([]byte(contents)); err != nil {

  istioctl experimental metrics productpage-v1 -d 2m

  # Retrieve workload metrics for various services in the different namespaces
  istioctl experimental metrics productpage-v1.foo reviews-v1.bar ratings-v1.baz`,
		// nolint: goimports
		Aliases: []string{"m"},
		Args: func(cmd *cobra.Command, args []string) error {
			if len(args) < 1 {
				cmd.Println(cmd.UsageString())
				return fmt.Errorf("metrics requires workload name")

		header:  &Header{Xattrs: map[string]string{"用戶名": "\x00hello"}},
		paxHdrs: map[string]string{paxSchilyXattr + "用戶名": "\x00hello"},
		formats: FormatPAX,
	}, {
		header:  &Header{Xattrs: map[string]string{"foo=bar": "baz"}},
		formats: FormatUnknown,
	}, {
		header:  &Header{Xattrs: map[string]string{"foo": ""}},
		paxHdrs: map[string]string{paxSchilyXattr + "foo": ""},
		formats: FormatPAX,
	}, {