Fixed some failing specs

spec/features/dashboard/polls_spec.rb

@@ -13,7 +13,10 @@ feature 'Polls' do
   end
 
   scenario 'Initially there are no polls' do
-    click_link 'Polls'
+    within('#side_menu') do
+      click_link 'Polls'
+    end
+
     expect(page).to have_content('There are no polls coming up.')
   end
 

spec/features/proposals_spec.rb

@@ -442,7 +442,9 @@ feature 'Proposals' do
     expect(page.html).not_to include "<script>alert('hey')</script>"
 
     click_link 'Dashboard'
-    click_link 'Edit'
+    within('#side_menu') do
+      click_link 'Edit'
+    end
 
     expect(page).to have_current_path(edit_proposal_path(Proposal.last))
     expect(page).not_to have_link('click me')
@@ -518,7 +520,10 @@ feature 'Proposals' do
         click_link 'Dashboard'
       end
 
-      click_link 'Retire'
+      within('#side_menu') do
+        click_link 'Retire'
+      end
+      
       expect(page).to have_current_path(retire_form_proposal_path(proposal))
 
       select 'Duplicated', from: 'proposal_retired_reason'