out, err := exec.Command("cp", "-a", src, dst).CombinedOutput()
	if err != nil {
		os.Stderr.Write(out)
	}
	return err
}

func copyLocalData(dstbase string) (pkgpath string, err error) {
	cwd, err := os.Getwd()
	if err != nil {
		return "", err
	}

	finalPkgpath, underGoRoot, err := subdir()
	if err != nil {
		return "", err
	}
	cwd = strings.TrimSuffix(cwd, finalPkgpath)

func StartTestTLSServer(t TestErrHandler, instanceType string, cert, key []byte) TestServer {
	// Fetch TLS key and pem files from test-data/ directory.
	//	dir, _ := os.Getwd()
	//	testDataDir := filepath.Join(filepath.Dir(dir), "test-data")
	//
	//	pemFile := filepath.Join(testDataDir, "server.pem")
	//	keyFile := filepath.Join(testDataDir, "server.key")