new_contents: import yaml
  
  from app.config import QueueNames
  
  
  def test_queue_names_set_in_manifest_delivery_base_correctly():
      with open("manifest-delivery-base.yml", 'r') as stream:
          search = ' -Q '
          yml_commands = [y['command'] for y in yaml.load(stream)['applications']]
  
          watched_queues = set()
          for command in yml_commands:
              start_of_queue_arg = command.find(search)
              if start_of_queue_arg > 0:
                  start_of_queue_names = start_of_queue_arg + len(search)
                  queues = command[start_of_queue_names:].split(',')
                  watched_queues.update(queues)
  
          # ses-callbacks isn't used in api (only used in SNS lambda)
          ignored_queues = {'ses-callbacks'}
          watched_queues -= ignored_queues
  
          assert watched_queues == set(QueueNames.all_queues())
  
subject: Add test for manifest-delivery-base.yml