func init() {
	if flag.Lookup("test.root") == nil {
		flag.BoolVar(&rootEnabled, "test.root", false, "enable tests that require root")
	} else {
		// The flag is already registered by continuity/testutil
		for _, f := range os.Args {
			if f == "-test.root" || f == "-test.root=true" {
				rootEnabled = true
				break
			}
		}
	}