Sphinx unit tests fixed.

extensions/sphinx/ActiveRecord.php

@@ -1385,6 +1385,8 @@ abstract class ActiveRecord extends Model
 				$this->populateRelation($offset, $item);
 				return;
 			}
+		} catch (InvalidParamException $e) {
+			// shut down exception : has getter, but not relation
 		} catch (UnknownMethodException $e) {
 			throw $e->getPrevious();
 		}

tests/unit/extensions/sphinx/ActiveRecordTest.php

@@ -79,10 +79,10 @@ class ActiveRecordTest extends SphinxTestCase
 
 		// asArray
 		$article = ArticleIndex::find()->where('id=2')->asArray()->one();
+		unset($article['add_date']);
 		$this->assertEquals([
 			'id' => '2',
 			'author_id' => '2',
-			'add_date' => '1384466400',
 			'tag' => '3,4',
 		], $article);