Test that RunnersController correctly paginates

spec/controllers/admin/runners_controller_spec.rb

@@ -34,6 +34,17 @@ RSpec.describe Admin::RunnersController do
       expect(response.body).to have_content('tag1')
       expect(response.body).to have_content('tag2')
     end
+
+    it 'paginates runners' do
+      stub_const("Admin::RunnersController::NUMBER_OF_RUNNERS_PER_PAGE", 1)
+
+      create(:ci_runner)
+
+      get :index
+
+      expect(response).to have_gitlab_http_status(:ok)
+      expect(assigns(:runners).count).to be(1)
+    end
   end
 
   describe '#show' do