fix settings override?

InvenTree/InvenTree/tests.py

@@ -2,7 +2,7 @@
 import json
 from test.support import EnvironmentVarGuard
 
-from django.test import TestCase
+from django.test import TestCase, override_settings
 import django.core.exceptions as django_exceptions
 from django.core.exceptions import ValidationError
 from django.contrib.auth import get_user_model
@@ -429,11 +429,10 @@ class TestSettings(TestCase):
             settings.USER_ADDED = False
             registry.reload_plugins()
 
+    @override_settings(TESTING_ENV=True)
     def test_set_user_to_few(self):
         # add shortcut
         user_count = self.user_mdl.objects.count
-        # enable testing mode
-        settings.TESTING_ENV = True
 
         # nothing set
         self.assertEqual(user_count(), 0)
@@ -457,6 +456,3 @@ class TestSettings(TestCase):
         with self.assertRaises(IntegrationPluginError):
             self.run_reload()
         self.assertEqual(user_count(), 1)
-
-        # make sure to clean up
-        settings.TESTING_ENV = False