fix update testcode for \Zend\Search\Lucene\Document\Field changed default encoding
fix update testcode for \Zend\Search\Lucene\Document\Field changed default encoding

bayne/ZendSearch,diszo2009/ZendSearch,nqxcode/ZendSearch,rmzamora/ZendSearch,oat-sa/ZendSearch,diszo2009/ZendSearch,bayne/ZendSearch,rmzamora/ZendSearch,nqxcode/ZendSearch