如何定义一个factory - girl工厂，该工厂返回带有字符串键的散列?

I have this code:

我有这段代码:

FactoryGirl.define do
  factory :gimme_a_hash, class: Hash do
    one 'the number 1'
    two 'the number 2'
  end
end
FactoryGirl.defin