Add missing test for appeal notification

src/api/spec/factories/notification.rb

@@ -109,6 +109,11 @@
         notification.event_payload['reportable_type'] ||= notification.notifiable.reports.first.reportable.class.to_s
       end
     end
+
+    trait :appeal do
+      event_type { 'Event::AppealCreated' }
+      notifiable { association(:appeal) }
+    end
   end
 
   factory :rss_notification, parent: :notification do

src/api/spec/helpers/webui/notification_helper_spec.rb

@@ -219,6 +219,16 @@
           expect(subject).to have_text("'#{notification.notifiable.moderator}' decided to favor the report. This is the reason:")
         end
       end
+
+      context 'when the notification is for Event::AppealCreated' do
+        let(:notification) do
+          create(:notification, :appeal)
+        end
+
+        it 'renders the information about the favored decision' do
+          expect(subject).to have_text("'#{notification.notifiable.appellant.login}' appealed the decision for the following reason:")
+        end
+      end
     end
   end
 end