docs: def make_fixture(model_class, **kwargs):
      """
      Take the model_klass and generate a fixure for it
  
      Args:
          model_class (MongoEngine Document): model for which a fixture
              is needed
          kwargs (dict): any overrides instead of random values
  
      Returns:
          dict for now, other fixture types are not implemented yet
      """
      all_fields = get_fields(model_class)
  
      fields_for_random_generation = map(
          lambda x: getattr(model_class, x), all_fields
      )
  
      overrides = {}
  
      for kwarg, value in kwargs.items():
          if kwarg in all_fields:
              kwarg_field = getattr(model_class, kwarg)
              fields_for_random_generation.remove(kwarg_field)
              overrides.update({kwarg_field: value})
  
      random_values = get_random_values(fields_for_random_generation)
  
      values = dict(overrides, **random_values)
  
      assert len(all_fields) == len(values), (
          "Mismatch in values, {} != {}".format(
              len(all_fields), len(values)
          )
      )
      data = {k.name: v for k, v in values.items()}
      return model_class(**data)