🐛 Friendly error messages when adding a model repair test case

Author: Mermaid97

test/backend/app/test_model_managment_app.py

@@ -351,7 +351,8 @@ async def mock_list_llm_models(*args, **kwargs):
 
     assert response.status_code == HTTPStatus.INTERNAL_SERVER_ERROR
     data = response.json()
-    assert "Failed to retrieve LLM list" in data.get("detail", "")
+    # Now we return the actual error message
+    assert "Database connection error" in data.get("detail", "")
 
 
 @pytest.mark.asyncio