Fix HTML markup

We cannot use 'id' html attributes on nested answers
because there will be many answers form each question so
this would have generated invalid HTML.

app/views/dashboard/polls/_form.html.erb

@@ -25,18 +25,15 @@
     </div>
   </div>
 
-  <div id="questions">
+  <div class="js-questions">
     <%= f.fields_for :questions do |question| %>
       <%= render 'question_fields', f: question %>
     <% end %>
 
-    <div id="question-links" class="links row expanded">
+    <div class="links row expanded">
       <div class="small-12 column">
         <%= link_to_add_association t("dashboard.polls.form.add_question"),
-                                    f, :questions, class: "button",
-                                    data: {
-                                      association_insertion_node: "#question-links"
-                                    } %>
+                                    f, :questions, class: "button" %>
       </div>
     </div>
   </div>

app/views/dashboard/polls/_question_answer_fields.html.erb

@@ -1,4 +1,4 @@
-<div class="nested-fields small-12 medium-6 column">
+<div class="nested-fields nested-answers small-12 medium-6 column">
   <div class="answer-fields">
     <%= f.hidden_field :given_order %>
     <div class="row expanded">

app/views/dashboard/polls/_question_fields.html.erb

@@ -12,18 +12,15 @@
     </div>
   </div>
 
-  <div id="answers">
+  <div class="js-answers">
     <%= f.fields_for :question_answers do |answer| %>
       <%= render 'question_answer_fields', f: answer %>
     <% end %>
 
-    <div id="answer-links" class="links row expanded">
+    <div class="answer-links links row expanded">
       <div class="small-12 column">
         <%= link_to_add_association t("dashboard.polls.question_fields.add_answer"),
-                                    f, :question_answers, class: "button hollow",
-                                    data: {
-                                      association_insertion_node: "#answer-links"
-                                    } %>
+                                    f, :question_answers, class: "button hollow" %>
       </div>
     </div>
   </div>

spec/features/dashboard/polls_spec.rb

@@ -104,51 +104,51 @@ feature 'Polls' do
     end
   end
 
-  scenario 'Edit poll should allow to remove questions', :js do
+  scenario "Edit poll should allow to remove questions", :js do
     poll = create(:poll, :incoming, related: proposal)
-    question1 = create(:poll_question, poll: poll)
-    question2 = create(:poll_question, poll: poll)
+    create(:poll_question, poll: poll)
+    create(:poll_question, poll: poll)
     visit proposal_dashboard_polls_path(proposal)
     within "div#poll_#{poll.id}" do
-      click_link 'Edit survey'
+      click_link "Edit survey"
     end
 
-    within "#questions" do
+    within ".js-questions" do
       expect(page).to have_css ".nested-fields", count: 2
       within first(".nested-fields") do
-        find('a.delete').click
+        find("a.delete").click
       end
       expect(page).to have_css ".nested-fields", count: 1
     end
 
-    click_button 'Update poll'
+    click_button "Update poll"
     visit edit_proposal_dashboard_poll_path(proposal, poll)
 
     expect(page).to have_css ".nested-fields", count: 1
   end
 
-  scenario 'Edit poll should allow to remove answers', :js do
+  scenario "Edit poll should allow to remove answers", :js do
     poll = create(:poll, :incoming, related: proposal)
     question = create(:poll_question, poll: poll)
-    answer1 = create(:poll_question_answer, question: question)
-    answer2 = create(:poll_question_answer, question: question)
+    create(:poll_question_answer, question: question)
+    create(:poll_question_answer, question: question)
     visit proposal_dashboard_polls_path(proposal)
     within "div#poll_#{poll.id}" do
-      click_link 'Edit survey'
+      click_link "Edit survey"
     end
 
-    within "#questions #answers" do
+    within ".js-questions .js-answers" do
       expect(page).to have_css ".nested-fields", count: 2
       within first(".nested-fields") do
-        find('a.delete').click
+        find("a.delete").click
       end
       expect(page).to have_css ".nested-fields", count: 1
     end
 
-    click_button 'Update poll'
+    click_button "Update poll"
     visit edit_proposal_dashboard_poll_path(proposal, poll)
 
-    within "#questions #answers" do
+    within ".js-questions .js-answers" do
       expect(page).to have_css ".nested-fields", count: 1
     end
   end