failure with output

gistfile1.rb

module Identifiable
  extend ActiveSupport::Concern
  $oids = Set.new
  
  included do
    after_initialize :generate_uuid
    validates_presence_of :uuid
  end

  private

  def generate_uuid
    if self.uuid.blank?
      self.uuid = SecureRandom.uuid
      raise "Dupe!!!" if $oids.include?(self.object_id)
      $oids << self.object_id
    end
  end
end


class Page < ActiveRecord::Base
  include Identifiable
end


describe Page do
  let(:text_question) {
    Fabricate.build(:text_question) do
      validations {[
          Fabricate.build(:validation,
                    message: 'Required') {
                      condition { Fabricate.build(:presence_condition) }
                    },
          Fabricate.build(:validation,
                    message: 'Must be equal') {
                      condition { Fabricate.build(:equality_condition, options: {'value' => 'valid'}) }
                    }
      ]}
    end
  }

  describe '#uuid' do
    subject { text_question.uuid }

    context 'with an answer' do
      let(:answer) { Fabricate.build(:text_answer, page_uuid: text_question.uuid) }

      it { should eql(answer.page_uuid) }
    end
  end
end

#expected: "f7bafa3f-802a-4117-952c-fc8348bc0469"
#     got: "7f3f71f2-1c76-45cb-9dcd-322e87befc60"
#
#(compared using eql?)