destroy notifications when marked as read

spec/controllers/notifications_controller_spec.rb

@@ -1,21 +0,0 @@
-require 'rails_helper'
-
-describe NotificationsController do
-
-  describe "#index" do
-    let(:user) { create :user }
-
-    it "mark all notifications as read" do
-      notifications = [create(:notification, user: user), create(:notification, user: user)]
-      Notification.all.each do |notification|
-        expect(notification.read).to be false
-      end
-
-      sign_in user
-      get :index
-      Notification.all.each do |notification|
-        expect(notification.read).to be true
-      end
-    end
-  end
-end