def visit_twitter_and_log_in

visit 'https://cards-dev.twitter.com/validator'📁

find('input.js-username-field').set(ENV['TWITTER_USERNAME'])

find('input.js-password-field').set(ENV['TWITTER_PASSWORD'])

click_on('Log in')

end

def enter_url_and_click_preview(url)

find('input.FormControl').set(url)

click_on('Preview card')

result = has_content?('Page fetched successfully')

visit 'https://cards-dev.twitter.com/validator'📁

end

end

Q