diff --git a/rest_framework/tests/test_relations.py b/rest_framework/tests/test_relations.py
index a2d494529..8b753f5ca 100644
--- a/rest_framework/tests/test_relations.py
+++ b/rest_framework/tests/test_relations.py
@@ -58,9 +58,8 @@ class TestManyRelatedMixin(TestCase):
         field = serializers.RelatedField(many=True, read_only=False)
 
         into = {}
-        self.assertRaisesMessage(
+        self.assertRaises(
             ValidationError,
-            "This field is required.",
             field.field_from_native,
             {}, None, 'field_name', into
         )