}

func (c *testConn) Close() error {
	select {
	case c.closec <- true:
	default:
	}
	return nil
}

// reqBytes treats req as a request (with \n delimiters) and returns it with \r\n delimiters,
// ending in \r\n\r\n
func reqBytes(req string) []byte {
	return []byte(strings.ReplaceAll(strings.TrimSpace(req), "\n", "\r\n") + "\r\n\r\n")
}

type handlerTest struct {