class Capybara::Selenium::Driver

def quit
  @browser&.quit
rescue Selenium::WebDriver::Error::SessionNotCreatedError, Errno::ECONNREFUSED,
       Selenium::WebDriver::Error::InvalidSessionIdError
  # Browser must have already gone
rescue Selenium::WebDriver::Error::UnknownError => e
  unless silenced_unknown_error_message?(e.message) # Most likely already gone
    # probably already gone but not sure - so warn
    warn "Ignoring Selenium UnknownError during driver quit: #{e.message}"
  end
ensure
  @browser = nil
end