diff --git a/backend/api/tests/test_config.py b/backend/api/tests/test_config.py
index aa73dece..0f2e685c 100644
--- a/backend/api/tests/test_config.py
+++ b/backend/api/tests/test_config.py
@@ -2,9 +2,10 @@ from contextlib import contextmanager
 from importlib import reload
 from os import environ
 
-from config.settings import base as settings
 from django.test import TestCase
 
+from config.settings import base as settings
+
 
 class TestDatabaseUrl(TestCase):
     def test_sslmode_defaults_to_required(self):
diff --git a/backend/api/tests/test_middleware.py b/backend/api/tests/test_middleware.py
index 5d42c198..7ea1fe46 100644
--- a/backend/api/tests/test_middleware.py
+++ b/backend/api/tests/test_middleware.py
@@ -1,7 +1,10 @@
-from api.middleware import HeaderAuthMiddleware
+from unittest import mock
+
 from django.contrib.auth.models import User
 from django.test import TestCase, override_settings
 
+from api.middleware import HeaderAuthMiddleware
+
 
 @override_settings(HEADER_AUTH_USER_GROUPS="X-AuthProxy-Groups")
 @override_settings(HEADER_AUTH_ADMIN_GROUP_NAME="Admin")
@@ -11,7 +14,9 @@ class HeaderAuthMiddlewareTest(TestCase):
         user = User.objects.create_user(username="TestUser")
         user.is_superuser = False
 
-        middleware = HeaderAuthMiddleware()
+        get_response = mock.MagicMock()
+
+        middleware = HeaderAuthMiddleware(get_response)
         middleware.process_user_groups(user, {"HTTP_X_AUTHPROXY_GROUPS": "Admin;Reader"})
 
         self.assertTrue(user.is_superuser)
@@ -20,7 +25,9 @@ class HeaderAuthMiddlewareTest(TestCase):
         user = User.objects.create_user(username="TestUser")
         user.is_superuser = True
 
-        middleware = HeaderAuthMiddleware()
+        get_response = mock.MagicMock()
+
+        middleware = HeaderAuthMiddleware(get_response)
         middleware.process_user_groups(user, {"HTTP_X_AUTHPROXY_GROUPS": "Guest;Reader"})
 
         self.assertFalse(user.is_superuser)