Update test

Author: picandocodigo

elasticsearch-model/spec/elasticsearch/model/adapters/active_record/serialization_spec.rb

@@ -37,7 +37,8 @@
     context 'when a document is updated' do
 
       before do
-        article.update_attributes(title: 'UPDATED', status: 'yellow')
+        article.update_attribute(:title, 'UPDATED')
+        article.update_attribute(:status, 'yellow')
         ArticleWithCustomSerialization.__elasticsearch__.refresh_index!
       end