diff --git a/tests/unit/data/ar/CustomerQuery.php b/tests/unit/data/ar/CustomerQuery.php
index 89b9c9c93b..6b1013452b 100644
--- a/tests/unit/data/ar/CustomerQuery.php
+++ b/tests/unit/data/ar/CustomerQuery.php
@@ -7,9 +7,10 @@ use yii\db\ActiveQuery;
  */
 class CustomerQuery extends ActiveQuery
 {
-	public static function active($query)
+	public function active()
 	{
-		$query->andWhere('status=1');
+		$this->andWhere('status=1');
+		return $this;
 	}
 }
  
\ No newline at end of file
diff --git a/tests/unit/data/ar/mongodb/CustomerQuery.php b/tests/unit/data/ar/mongodb/CustomerQuery.php
index 009b7b2db8..bf222b6d3d 100644
--- a/tests/unit/data/ar/mongodb/CustomerQuery.php
+++ b/tests/unit/data/ar/mongodb/CustomerQuery.php
@@ -7,9 +7,10 @@ use yii\mongodb\ActiveQuery;
  */
 class CustomerQuery extends ActiveQuery
 {
-	public static function activeOnly($query)
+	public function activeOnly()
 	{
-		$query->andWhere(['status' => 2]);
+		$this->andWhere(['status' => 2]);
+		return $this;
 	}
 }
  
\ No newline at end of file
diff --git a/tests/unit/data/ar/sphinx/ArticleIndexQuery.php b/tests/unit/data/ar/sphinx/ArticleIndexQuery.php
index 19da67494b..f5843f001d 100644
--- a/tests/unit/data/ar/sphinx/ArticleIndexQuery.php
+++ b/tests/unit/data/ar/sphinx/ArticleIndexQuery.php
@@ -7,9 +7,10 @@ use yii\sphinx\ActiveQuery;
  */
 class ArticleIndexQuery extends ActiveQuery
 {
-	public static function favoriteAuthor($query)
+	public function favoriteAuthor()
 	{
-		$query->andWhere('author_id=1');
+		$this->andWhere('author_id=1');
+		return $this;
 	}
 }
  
\ No newline at end of file