code: def basic_set_of_users_exists_in_the_database(context):
      
      user_model = get_user_model()
      user_model.objects.create(
          username='administrator',
          is_staff=True
      )
      user_model.objects.create(
          username='allowed_user'
      )
      user_model.objects.create(
          username='unallowed_user'
      )
docs: :type context: behave.runner.Context