Replace back link on budget results

app/views/budgets/results/show.html.erb

@@ -14,7 +14,7 @@
   <div class="expanded no-margin-top padding header">
     <div class="row">
       <div class="small-12 column">
-        <%= back_link_to budgets_path %>
+        <%= back_link_to budget_path(@budget) %>
         <h2 class="margin-top">
           <%= t("budgets.results.heading") %><br>
           <span><%= @budget.name %></span>

spec/system/budgets/results_spec.rb

@@ -14,6 +14,12 @@ describe "Results" do
     Budget::Result.new(budget, heading).calculate_winners
   end
 
+  scenario "Back link redirects to budget page" do
+    visit budget_results_path(budget)
+
+    expect(page).to have_link("Go back", href: budget_path(budget))
+  end
+
   scenario "No links to budget results with results disabled" do
     budget.update!(results_enabled: false)