old_contents: from vent.api.repository import Repository
  from vent.api.system import System
  
  
  def test_update():
      """ Test the update class """
      repo = Repository(System().manifest)
      repo.update('foo')
  
new_contents: from vent.api.repository import Repository
  from vent.api.system import System
  
  
  def test_add():
      """ Test the add function """
      repo = Repository(System().manifest)
      repo.add('https://github.com/cyberreboot/poseidon')
  
  
  def test_update():
      """ Test the update function """
      repo = Repository(System().manifest)
      repo.update('foo')
  
subject: add more tests