Replace incoming filter on dashboard polls

Add starts_at attribute intead of incoming because this scope doesn't exists anymore.

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

@@ -14,7 +14,7 @@
     </p>
 
     <div class="small-12 column small-centered margin-top">
-      <% if poll.incoming? %>
+      <% if poll.starts_at.to_date >= Date.current %>
         <%= link_to t("dashboard.polls.poll.edit_poll"),
                     edit_proposal_dashboard_poll_path(proposal, poll), class: "button hollow" %>
       <% else %>

spec/features/dashboard/polls_spec.rb

@@ -50,8 +50,8 @@ feature "Polls" do
     expect(page).to have_content("New poll")
   end
 
-    poll = create(:poll, :incoming, related: proposal)
   scenario "Edit poll is allowed for upcoming polls" do
+    poll = create(:poll, related: proposal, starts_at: 1.week.from_now)
 
     visit proposal_dashboard_polls_path(proposal)
 
@@ -66,8 +66,8 @@ feature "Polls" do
     expect(page).to have_content "Poll updated successfully"
   end
 
-    poll = create(:poll, :incoming, related: proposal)
   scenario "Edit poll redirects back when invalid data", js: true do
+    poll = create(:poll, related: proposal, starts_at: 1.week.from_now)
 
     visit proposal_dashboard_polls_path(proposal)
 
@@ -105,7 +105,7 @@ feature "Polls" do
   end
 
   scenario "Edit poll should allow to remove questions", :js do
-    poll = create(:poll, :incoming, related: proposal)
+    poll = create(:poll, related: proposal, starts_at: 1.week.from_now)
     create(:poll_question, poll: poll)
     create(:poll_question, poll: poll)
     visit proposal_dashboard_polls_path(proposal)
@@ -128,7 +128,7 @@ feature "Polls" do
   end
 
   scenario "Edit poll should allow to remove answers", :js do
-    poll = create(:poll, :incoming, related: proposal)
+    poll = create(:poll, related: proposal, starts_at: 1.week.from_now)
     question = create(:poll_question, poll: poll)
     create(:poll_question_answer, question: question)
     create(:poll_question_answer, question: question)
@@ -153,8 +153,8 @@ feature "Polls" do
     end
   end
 
-    poll = create(:poll, :incoming, related: proposal)
   scenario "View results not available for upcoming polls" do
+    poll = create(:poll, related: proposal, starts_at: 1.week.from_now)
 
     visit proposal_dashboard_polls_path(proposal)