**Describe the bug** Tests for `app/code/utils.py` are missing **To Reproduce** Steps to reproduce the behavior: 1. Go to [tests/ folder](https://github.com/VirtualPatientEngine/literatureSurvey/tree/main/tests) 2. You don't see any tests on utils.py **Expected behavior** Tests that cover all the functions described in utils.py **Screenshots** (optional) NA