adds video spec

spec/factories.rb

@@ -507,6 +507,12 @@ FactoryGirl.define do
     sequence(:description) { |n| "Question description #{n}" }
   end
 
+  factory :poll_answer_video, class: 'Poll::Question::Answer::Video' do
+    association :answer, factory: :poll_question_answer
+    title "Sample video title"
+    url "http://sample-video-url.org"
+  end
+
   factory :poll_booth, class: 'Poll::Booth' do
     sequence(:name) { |n| "Booth #{n}" }
     sequence(:location) { |n| "Street #{n}" }

spec/features/polls/polls_spec.rb

@@ -67,15 +67,12 @@ feature 'Polls' do
 
     scenario 'Show answers with videos' do
       question = create(:poll_question, poll: poll)
-      answer1 = create(:poll_question_answer, question: question, title: 'Chewbacca')
-      answer2 = create(:poll_question_answer, question: question, title: 'Han Solo',
-                                              video_title: "Awesome project video",
-                                              video_url: "https://www.youtube.com/watch?v=123")
-
+      answer = create(:poll_question_answer, question: question, title: 'Chewbacca')
+      video = create(:poll_answer_video, answer: answer, title: "Awesome project video", url: "https://www.youtube.com/watch?v=123")
 
       visit poll_path(poll)
 
-
+      expect(page).to have_link("Awesome project video", href: "https://www.youtube.com/watch?v=123")
     end
 
     scenario 'Lists questions from proposals as well as regular ones' do