diff --git a/tests/schema/tests.py b/tests/schema/tests.py
index dfd0659d34..ab95b0c79e 100644
--- a/tests/schema/tests.py
+++ b/tests/schema/tests.py
@@ -826,7 +826,7 @@ class SchemaTests(TransactionTestCase):
             editor.create_model(Author)
 
         old_field = Author._meta.get_field("id")
-        new_field = IntegerField(primary_key=True)
+        new_field = AutoField(primary_key=True)
         new_field.set_attributes_from_name("id")
         new_field.model = Author
         with connection.schema_editor() as editor:
@@ -834,6 +834,7 @@ class SchemaTests(TransactionTestCase):
         # This will fail if DROP DEFAULT is inadvertently executed on this
         # field which drops the id sequence, at least on PostgreSQL.
         Author.objects.create(name='Foo')
+        Author.objects.create(name='Bar')
 
     def test_alter_int_pk_to_autofield_pk(self):
         """