diff --git a/authentication/middleware_test.py b/authentication/middleware_test.py
index ca189d7b25..61adf75c22 100644
--- a/authentication/middleware_test.py
+++ b/authentication/middleware_test.py
@@ -19,12 +19,13 @@ def test_process_exception_no_strategy(rf, settings):
     assert middleware.process_exception(request, None) is None
 
 
-def test_process_exception(rf, settings):
+def test_process_exception(mocker, rf, settings):
     """Tests that a process_exception handles auth exceptions correctly"""
     settings.DEBUG = False
     request = rf.get(reverse("social:complete", args=("email",)))
     # social_django depends on request.sesssion, so use the middleware to set that
-    SessionMiddleware().process_request(request)
+    get_response = mocker.MagicMock()
+    SessionMiddleware(get_response).process_request(request)
     strategy = load_strategy(request)
     backend = load_backend(strategy, "email", None)
     request.social_strategy = strategy
@@ -39,12 +40,13 @@ def test_process_exception(rf, settings):
     )
 
 
-def test_process_exception_non_auth_error(rf, settings):
+def test_process_exception_non_auth_error(mocker, rf, settings):
     """Tests that a process_exception handles non-auth exceptions correctly"""
     settings.DEBUG = False
     request = rf.get(reverse("social:complete", args=("email",)))
     # social_django depends on request.sesssion, so use the middleware to set that
-    SessionMiddleware().process_request(request)
+    get_response = mocker.MagicMock()
+    SessionMiddleware(get_response).process_request(request)
     strategy = load_strategy(request)
     backend = load_backend(strategy, "email", None)
     request.social_strategy = strategy
diff --git a/cms/models_test.py b/cms/models_test.py
index 2ad3bf42f7..dd0ec2ff36 100644
--- a/cms/models_test.py
+++ b/cms/models_test.py
@@ -234,7 +234,7 @@ def test_course_page_context_edx_access(  # noqa: PLR0913
     patched_get_relevant_run_qset.assert_called_once_with(course=course_page.course)
 
 
-def generate_flexible_pricing_response(request_user, flexible_pricing_form):
+def generate_flexible_pricing_response(mocker, request_user, flexible_pricing_form):
     """
     Generates a fully realized request for the Flexible Pricing tests.
 
@@ -248,8 +248,8 @@ def generate_flexible_pricing_response(request_user, flexible_pricing_form):
     rf = RequestFactory()
     request = rf.get("/")
     request.user = request_user
-
-    middleware = SessionMiddleware()
+    get_response = mocker.MagicMock()
+    middleware = SessionMiddleware(get_response)
     middleware.process_request(request)
     request.session.save()
 
diff --git a/mail/verification_api_test.py b/mail/verification_api_test.py
index f603c7d86b..7f1c5c84af 100644
--- a/mail/verification_api_test.py
+++ b/mail/verification_api_test.py
@@ -23,7 +23,8 @@ def test_send_verification_email(mocker, rf):
     email = "test@localhost"
     request = rf.post(reverse("social:complete", args=("email",)), {"email": email})
     # social_django depends on request.session, so use the middleware to set that
-    SessionMiddleware().process_request(request)
+    get_response = mocker.MagicMock()
+    SessionMiddleware(get_response).process_request(request)
     strategy = load_strategy(request)
     backend = load_backend(strategy, EmailAuth.name, None)
     code = mocker.Mock(code="abc")
diff --git a/main/test_utils.py b/main/test_utils.py
index b4ee3b0b8a..c873bb5be0 100644
--- a/main/test_utils.py
+++ b/main/test_utils.py
@@ -137,7 +137,7 @@ def list_of_dicts(specialty_dict_iter):
     return list(map(dict, specialty_dict_iter))
 
 
-def set_request_session(request, session_dict):
+def set_request_session(mocker, request, session_dict):
     """
     Sets session variables on a RequestFactory object
     Args:
@@ -147,7 +147,8 @@ def set_request_session(request, session_dict):
     Returns:
         RequestFactory: The same request object with session variables set
     """
-    middleware = SessionMiddleware()
+    get_response = mocker.MagicMock()
+    middleware = SessionMiddleware(get_response)
     middleware.process_request(request)
     for key, value in session_dict.items():
         request.session[key] = value