Cover Admin::PubSubHubHubController more (#3343)

spec/controllers/admin/pubsubhubbub_controller_spec.rb

@@ -5,12 +5,27 @@ RSpec.describe Admin::PubsubhubbubController, type: :controller do
   render_views
 
   describe 'GET #index' do
+    around do |example|
+      default_per_page = Subscription.default_per_page
+      Subscription.paginates_per 1
+      example.run
+      Subscription.paginates_per default_per_page
+    end
+
     before do
       sign_in Fabricate(:user, admin: true), scope: :user
     end
 
-    it 'returns http success' do
+    it 'renders subscriptions' do
+      Fabricate(:subscription)
+      specified = Fabricate(:subscription)
+
       get :index
+
+      subscriptions = assigns(:subscriptions)
+      expect(subscriptions.count).to eq 1
+      expect(subscriptions[0]).to eq specified
+
       expect(response).to have_http_status(:success)
     end
   end