diff --git a/tests/test_serializer.py b/tests/test_serializer.py
index 39d9238ef..9979c8e20 100644
--- a/tests/test_serializer.py
+++ b/tests/test_serializer.py
@@ -837,10 +837,10 @@ class TestMultipleObjectsValidation(unittest.TestCase):
     def test_exception_raised_when_data_and_instance_length_different(self):
 
         with self.assertRaises(AssertionError):
-            MyClassSerializer(
+            serializer = MyClassSerializer(
                 data=[{'value': 'set', 'id': instance.id} for instance in
                       self.objs],
                 instance=self.objs[:-1],
                 many=True,
                 partial=True,
-            )
+            )
\ No newline at end of file