'Verify that email addresses can be preassigned for a cohort if the user associated with that email
address does not yet exist.'

def test_preassigned_users(self):

    email_addresses = ['email@example.com', 'email2@example.com', 'email3@example.com']
    response_dict = self.request_add_users_to_cohort(','.join(email_addresses), self.cohort1, self.course)
    self.verify_added_users_to_cohort(response_dict, self.cohort1, self.course, expected_added=[], expected_changed=[], expected_present=[], expected_preassigned=email_addresses, expected_unknown=[], expected_invalid=[])
