Add spec to ensure that trie dumps are up-to-date.
user
```ruby
# encoding: UTF-8

# Copyright 2012 Twitter, Inc
# http://www.apache.org/licenses/LICENSE-2.0

require 'spec_helper'

include TwitterCldr::Collation

describe 'trie dumps', :slow => true do
  let(:default_fce_trie) { TrieBuilder.load_default_trie }
  let(:error_message)    { 'expected trie dump to be up-to-date.' }

  it 'has a valid default FCE trie dump' do
    TrieLoader.load_default_trie.to_hash.should(eq(default_fce_trie.to_hash), error_message)
  end

  TwitterCldr.supported_locales.each do |locale|
    it "has a valid tailored trie dump for #{locale} locale" do
      loaded_trie = TrieLoader.load_tailored_trie(locale, Trie.new)
      fresh_trie  = TrieBuilder.load_tailored_trie(locale, default_fce_trie)

      loaded_trie.to_hash.should(eq(fresh_trie.to_hash), error_message)
    end
  end
end```
assistant