favors dom_id

app/views/debates/_featured_debate.html.erb

@@ -1,5 +1,5 @@
 <div class="small-12 medium-4 column">
-  <div id="debate-<%= featured_debate.id %>" class="debate-featured">
+  <div id="<%= dom_id featured_debate %>" class="debate-featured">
     <div class="panel">
 
       <div class="debate-content">

spec/features/tags_spec.rb

@@ -8,11 +8,11 @@ feature 'Tags' do
 
     visit debates_path
 
-    within "#debate-#{earth.id}" do
+    within "#debate_#{earth.id}" do
       expect(page).to have_content "Medio Ambiente"
     end
 
-    within "#debate-#{money.id}" do
+    within "#debate_#{money.id}" do
       expect(page).to have_content "Economía"
     end
   end