it 'create topic and delete_all_selected_topics for not a staggered deadline assignment and redirects to edit assignment page with multiple topic selected' do
      create(:topic, id: 30, assignment_id: 30, topic_identifier: 'E1735')
      create(:topic, id: 40, assignment_id: 30, topic_identifier: 'E1736')
      create(:topic, id: 50, assignment_id: 30, topic_identifier: 'E1737')
      create(:topic, id: 60, assignment_id: 30, topic_identifier: 'E1738')