Unit test for yii\mongodb\file\ActiveRecord fixed

tests/unit/data/ar/mongodb/file/CustomerFile.php

@@ -2,8 +2,6 @@
 
 namespace yiiunit\data\ar\mongodb\file;
 
-use yiiunit\data\ar\mongodb\CustomerQuery;
-
 class CustomerFile extends ActiveRecord
 {
 	public static function collectionName()
@@ -24,6 +22,6 @@ class CustomerFile extends ActiveRecord
 
 	public static function createQuery()
 	{
-		return new CustomerQuery(['modelClass' => get_called_class()]);
+		return new CustomerFileQuery(['modelClass' => get_called_class()]);
 	}
 }
\ No newline at end of file