Add 'Cancel' to edit popular links

app/views/homepage/popular_links/edit.html.erb

@@ -2,17 +2,20 @@
 <% content_for :title, 'Edit popular links' %>
 <% content_for :title_context, 'Popular on GOV.UK' %>
 <% unless @latest_popular_links.errors.empty? %>
-  <% content_for :error_summary, render("shared/error_summary", { object: @latest_popular_links })  %>
+  <% content_for :error_summary, render("shared/error_summary", { object: @latest_popular_links }) %>
 <% end %>
 
 <div class="govuk-grid-column-two-thirds">
   <%= form_for @latest_popular_links, url: update_popular_links_path(@latest_popular_links), method: "patch" do |form| %>
     <% @latest_popular_links.link_items.each_with_index do |item, index| %>
       <%= render "homepage/popular_links/form", item:, index:, form: %>
     <% end %>
-    <%= render("govuk_publishing_components/components/button", {
-      text: "Save",
-      type: "submit",
-    }) %>
+    <div class="govuk-button-group">
+      <%= render("govuk_publishing_components/components/button", {
+        text: "Save",
+        type: "submit",
+      }) %>
+      <%= link_to("Cancel", show_popular_links_path, class: "govuk-link govuk-link--no-visited-state") %>
+    </div>
   <% end %>
 </div>

test/integration/homepage_popular_links_test.rb

@@ -112,6 +112,12 @@ class HomepagePopularLinksTest < JavascriptIntegrationTest
       assert page.has_text?("Title is required for Link 1")
       assert page.has_text?("URL is required for Link 1")
     end
+
+    should "render create page when clicked on 'cancel'" do
+      click_link("Cancel")
+
+      assert_current_path show_popular_links_path
+    end
   end
 
   context "#publish" do