Added test for 'expand' functionality in tokenizers
Added test for 'expand' functionality in tokenizers

twitter/twitter-cldr-rb,4414/twitter-cldr-rb,surfdome/twitter-cldr-rb,twitter/twitter-cldr-rb,surfdome/twitter-cldr-rb,twitter/twitter-cldr-rb,4414/twitter-cldr-rb,surfdome/twitter-cldr-rb