fix: mock OAuth2 application lookup in SplitTestBlockTest to avoid infrastructure requirement

Author: alenkadev

xmodule/tests/test_split_test_block.py

@@ -68,8 +68,12 @@ class SplitTestBlockTest(XModuleXmlImportTest, PartitionTestCase):
     """
     def setUp(self):
         super().setUp()
-        # Mock the OAuth2 client lookup for edxnotes to avoid infrastructure requirement in tests
-        oauth2_patcher = patch('lms.djangoapps.edxnotes.helpers.get_edxnotes_id_token', return_value='test-token')
+        # Mock the OAuth2 application lookup for edxnotes to avoid infrastructure requirement
+        from oauth2_provider.models import Application
+        mock_app = Mock(spec=Application)
+        mock_app.client_id = 'edx-notes-test'
+        mock_app.client_secret = 'test-secret'
+        oauth2_patcher = patch('oauth2_provider.models.Application.objects.get', return_value=mock_app)
         oauth2_patcher.start()
         self.addCleanup(oauth2_patcher.stop)