rails#11776 AR::Store attributes inaccessible after destruction of object

rails_11776.rb

gem 'activerecord', '=4.0.0' #Works Fine
# gem 'activerecord' , '=4.0.1' #CAUSES ActiveModel::MissingAttributeError: missing attribute: group_id
# gem 'activerecord', '=4.0.2' #CAUSES ActiveModel::MissingAttributeError: missing attribute: group_id

require 'active_record'

# require 'sqlite3'
require 'mysql2'


require 'minitest/autorun'
require 'logger'

# == Connection/configuration stuff
puts "#{ActiveRecord::VERSION::STRING}"
# ActiveRecord::Base.establish_connection(adapter: 'sqlite3', database: ':memory:')
ActiveRecord::Base.establish_connection(adapter: 'mysql2', database: 'rails_11776', username: 'root')
ActiveRecord::Base.logger = Logger.new(STDOUT)
ActiveRecord::Base.connection.execute('DROP TABLE IF EXISTS users')

# == Schema definition
ActiveRecord::Schema.define do
  create_table :users do |t|
    t.text :settings
    t.string :email
  end

end

# == Models
class User < ActiveRecord::Base
  # store :settings, coder: JSON
  store_accessor :settings, :newsletter_enabled

  # and a User has an email attribute
end


# == Test case
class BugTest < MiniTest::Unit::TestCase
  def setup
    @user = User.create(email: '[email protected]',newsletter_enabled: true)
  end

  # passes
  def test_destructions
    puts @user.newsletter_enabled.inspect
    @user.destroy
    puts "Destroyed"
    puts  @user.newsletter_enabled.inspect
  end

end
//