fix: fixed tests

Author: irfanuddinahmad

cms/djangoapps/contentstore/models.py

@@ -17,7 +17,10 @@
 from opaque_keys.edx.locator import LibraryContainerLocator
 from openedx_content.api import get_published_version
 from openedx_content.models_api import Component, Container
-from openedx_django_lib.fields import immutable_uuid_field, manual_date_time_field, ref_field
+try:
+    from openedx_django_lib.fields import immutable_uuid_field, manual_date_time_field, ref_field
+except Exception:  # pragma: no cover - runtime compatibility shim for different openedx_django_lib versions
+    from openedx_django_lib.fields import immutable_uuid_field, manual_date_time_field, key_field as ref_field
 
 logger = logging.getLogger(__name__)
 

cms/djangoapps/contentstore/views/tests/test_exam_settings_view.py

@@ -65,8 +65,12 @@ def test_view_without_exam_settings_enabled(self, handler):
         """
         outline_url = reverse_course_url(handler, self.course.id)
         resp = self.client.get(outline_url, HTTP_ACCEPT='text/html')
-        self.assertEqual(resp.status_code, 200)  # noqa: PT009
-        self.assertNotContains(resp, 'Proctored Exam Settings')
+        # grading_handler is routed to the authoring MFE and returns a redirect.
+        if handler == 'grading_handler':
+            self.assertEqual(resp.status_code, 302)  # noqa: PT009
+        else:
+            self.assertEqual(resp.status_code, 200)  # noqa: PT009
+            self.assertNotContains(resp, 'Proctored Exam Settings')
 
     @ddt.data(
         "certificates_list_handler",
@@ -82,8 +86,12 @@ def test_view_with_exam_settings_enabled(self, handler):
         """
         outline_url = reverse_course_url(handler, self.course.id)
         resp = self.client.get(outline_url, HTTP_ACCEPT='text/html')
-        self.assertEqual(resp.status_code, 200)  # noqa: PT009
-        self.assertContains(resp, 'Proctored Exam Settings')
+        # grading_handler is routed to the authoring MFE and returns a redirect.
+        if handler == 'grading_handler':
+            self.assertEqual(resp.status_code, 302)  # noqa: PT009
+        else:
+            self.assertEqual(resp.status_code, 200)  # noqa: PT009
+            self.assertContains(resp, 'Proctored Exam Settings')
 
     @override_settings(
         PROCTORING_BACKENDS={