page.go
func (p *Page) Screenshot(filename string) error {
	absFilePath, err := filepath.Abs(filename)
	if err != nil {
		return fmt.Errorf("failed to find absolute path for filename: %s", err)
	}

	screenshot, err := p.session.GetScreenshot()
	if err != nil {
		return fmt.Errorf("failed to retrieve screenshot: %s", err)
	}

	if err := ioutil.WriteFile(absFilePath, screenshot, 0666); err != nil {
		return fmt.Errorf("failed to save screenshot: %s", err)
	}

	return nil
}
func (p *Page) Screenshot(filename string) error {
	absFilePath, err := filepath.Abs(filename)
	if err != nil {
		return fmt.Errorf("failed to find absolute path for filename: %s", err)
	}

	screenshot, err := p.session.GetScreenshot()
	if err != nil {
		return fmt.Errorf("failed to retrieve screenshot: %s", err)
	}

	if err := ioutil.WriteFile(absFilePath, screenshot, 0666); err != nil {
		return fmt.Errorf("failed to save screenshot: %s", err)
	}

	return nil
}
// Screenshot takes a screenshot and saves it to the provided filename.
// The provided filename may be an absolute or relative path.