class Selenium::WebDriver::DevTools

def start_session
  targets = target.get_targets.dig('result', 'targetInfos')
  page_target = targets.find { |target| target['type'] == 'page' }
  session = target.attach_to_target(target_id: page_target['targetId'], flatten: true)
  @session_id = session.dig('result', 'sessionId')
end