diff --git a/tests/auth_tests/test_management.py b/tests/auth_tests/test_management.py
index 8b2d9775a2..0acdb4ece2 100644
--- a/tests/auth_tests/test_management.py
+++ b/tests/auth_tests/test_management.py
@@ -707,34 +707,26 @@ class CreatesuperuserManagementCommandTestCase(TestCase):
     def test_blank_username(self):
         """Creation fails if --username is blank."""
         new_io = StringIO()
-
-        def test(self):
-            with self.assertRaisesMessage(CommandError, 'Username cannot be blank.'):
-                call_command(
-                    'createsuperuser',
-                    username='',
-                    stdin=MockTTY(),
-                    stdout=new_io,
-                    stderr=new_io,
-                )
-
-        test(self)
+        with self.assertRaisesMessage(CommandError, 'Username cannot be blank.'):
+            call_command(
+                'createsuperuser',
+                username='',
+                stdin=MockTTY(),
+                stdout=new_io,
+                stderr=new_io,
+            )
 
     def test_blank_username_non_interactive(self):
         new_io = StringIO()
-
-        def test(self):
-            with self.assertRaisesMessage(CommandError, 'Username cannot be blank.'):
-                call_command(
-                    'createsuperuser',
-                    username='',
-                    interactive=False,
-                    stdin=MockTTY(),
-                    stdout=new_io,
-                    stderr=new_io,
-                )
-
-        test(self)
+        with self.assertRaisesMessage(CommandError, 'Username cannot be blank.'):
+            call_command(
+                'createsuperuser',
+                username='',
+                interactive=False,
+                stdin=MockTTY(),
+                stdout=new_io,
+                stderr=new_io,
+            )
 
     def test_password_validation_bypass(self):
         """
@@ -952,19 +944,15 @@ class CreatesuperuserManagementCommandTestCase(TestCase):
     @override_settings(AUTH_USER_MODEL='auth_tests.NoPasswordUser')
     def test_usermodel_without_password(self):
         new_io = StringIO()
-
-        def test(self):
-            call_command(
-                'createsuperuser',
-                interactive=False,
-                stdin=MockTTY(),
-                stdout=new_io,
-                stderr=new_io,
-                username='username',
-            )
-            self.assertEqual(new_io.getvalue().strip(), 'Superuser created successfully.')
-
-        test(self)
+        call_command(
+            'createsuperuser',
+            interactive=False,
+            stdin=MockTTY(),
+            stdout=new_io,
+            stderr=new_io,
+            username='username',
+        )
+        self.assertEqual(new_io.getvalue().strip(), 'Superuser created successfully.')
 
     @override_settings(AUTH_USER_MODEL='auth_tests.NoPasswordUser')
     def test_usermodel_without_password_interactive(self):