added tests for updating I18n records, fixes #672

tests/I18nTestCase.php

@@ -93,6 +93,19 @@ class Doctrine_I18n_TestCase extends Doctrine_UnitTestCase
         $this->assertEqual($t->lang, 'EN');
 
     }
+    
+    public function testUpdatingI18nItems()
+    {
+        $i = Doctrine_Query::create()->query('FROM I18nTest')->getFirst();
+        
+        $i->Translation['EN']->name = 'updated name';
+        $i->Translation['EN']->title = 'updated title';
+
+        $i->Translation->save();
+        
+        $this->assertEqual($t->name, 'updated name');
+        $this->assertEqual($t->title, 'updated title');
+    }
 
     public function testDataFetching()
     {