module SerializersTestHelpers

  def object_as_json(obj)
    serializer = if obj.is_a?(Array)
      ActiveModel::Serializer::ArraySerializer.new(obj, serializer: described_class, add_included: true)
    else
      serializer = described_class.new(obj)
    end
    adapter.new(serializer, include: %w[product_orders]).as_json
  end
  def adapter
    @active_model_adapter = ActiveModel::Serializer.config.adapter
  end
end