refactored spec attempt

gistfile1.rb

['addresses', 'orders'].each do |includable|
  describe "includes #{includable}" do
    let!(:association) { create(includable.singularize, user: user) }
    it "GET self" do
      get "/api/v2/users/#{user.id}", {'include' => includable}, headers || {}

      expect(json['user']).to include(includable)

      (json[includable][0]).each do |k, v|
        expect(v).to eq(association[k])
      end
    end 
  end
end