hdr, err = reader.Next()
	if err != nil {
		t.Fatal(err)
	}
	if hdr.Name != chineseFilename {
		t.Fatal("Couldn't recover unicode name")
	}
	if hdr.Gname != chineseGroupname {
		t.Fatal("Couldn't recover unicode group")
	}
	if hdr.Uname != chineseUsername {
		t.Fatal("Couldn't recover unicode user")
	}
}

func TestPaxXattrs(t *testing.T) {
	xattrs := map[string]string{
		"user.key": "value",

	}
	var processID int
	var ignore string
	if _, err := fmt.Sscanf(string(out), "%s %d", &ignore, &processID); err != nil {
		return fmt.Errorf("runSimulator: couldn't find processID from `simctl launch`: %v (%q)", err, out)
	}
	_, err = runLLDB("ios-simulator", appdir, strconv.Itoa(processID), args)
	return err
}

func runDevice(appdir, bundleID string, args []string) error {