diff --git a/cms/djangoapps/contentstore/core/__init__.py b/cms/djangoapps/contentstore/core/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/cms/djangoapps/contentstore/core/tests/__init__.py b/cms/djangoapps/contentstore/core/tests/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/cms/djangoapps/contentstore/core/tests/test_course_optimizer_provider.py b/cms/djangoapps/contentstore/core/tests/test_course_optimizer_provider.py
new file mode 100644
index 00000000000..a0524df4081
--- /dev/null
+++ b/cms/djangoapps/contentstore/core/tests/test_course_optimizer_provider.py
@@ -0,0 +1,86 @@
+"""
+Tests for course optimizer
+"""
+
+import unittest
+from unittest.mock import Mock, patch
+
+from cms.djangoapps.contentstore.core.course_optimizer_provider import generate_broken_links_descriptor
+# from ..course_optimizer_provider import generate_broken_links_descriptor
+
+class TestLinkCheck(ModuleStoreTestCase):
+    """
+    Tests for the link check functionality
+    """
+    @patch('cms.djangoapps.contentstore.xblock_storage_handlers.view_handlers.get_xblock')
+    @patch('cms.djangoapps.contentstore.xblock_storage_handlers.xblock_helpers.usage_key_with_run')
+    def test_success(self):
+        # Mock data
+        mock_block = Mock()
+        mock_block.location.block_id = "block_id"
+        mock_block.display_name = "Block Name"
+        mock_block.course_id = "course-v1:test+course+2024"
+        mock_block.category = "html"
+        mock_block.get_parent.side_effect = [
+            Mock(location=Mock(block_id="unit_id"), display_name="Unit Name"),
+            Mock(location=Mock(block_id="subsection_id"), display_name="Subsection Name"),
+            Mock(location=Mock(block_id="section_id"), display_name="Section Name"),
+            None,
+        ]
+
+        # Mocking
+        mock_usage_key_with_run.return_value = "mock_usage_key"
+        mock_get_xblock.return_value = mock_block
+
+        # Test input
+        mock_json_content = [
+            ["block_id", "http://example.com/broken-link1", False],
+            ["block_id", "http://example.com/locked-link1", True],
+            ["block_id", "http://example.com/broken-link2", False],
+        ]
+        request_user = Mock()
+
+        # Call the function
+        result = generate_broken_links_descriptor(mock_json_content, request_user)
+
+        # Expected structure
+        expected_result = {
+            'sections': [
+                {
+                    'id': 'section_id',
+                    'displayName': 'Section Name',
+                    'subsections': [
+                        {
+                            'id': 'subsection_id',
+                            'displayName': 'Subsection Name',
+                            'units': [
+                                {
+                                    'id': 'unit_id',
+                                    'displayName': 'Unit Name',
+                                    'blocks': [
+                                        {
+                                            'id': 'block_id',
+                                            'displayName': 'Block Name',
+                                            'url': '/course/course-v1:test+course+2024/editor/html/mock_usage_key',
+                                            'brokenLinks': [
+                                                "http://example.com/broken-link1",
+                                                "http://example.com/broken-link2",
+                                            ],
+                                            'lockedLinks': ["http://example.com/broken-link1"],
+                                        },
+                                    ]
+                                }
+                            ]
+                        }
+                    ]
+                }
+            ]
+        }
+
+        self.assertEqual(result, expected_result)
+
+
+    # def test_exception(self):
+
+# if __name__ == '__main__':
+#     unittest.main()