Add PYTHONPATH to pytest command

Author: mohilpatel25

.github/workflows/ci.yml

@@ -29,4 +29,4 @@ jobs:
         run: pip install -r requirements.txt
 
       - name: Run tests
-        run: pytest --cov --cov-fail-under=90 # Fail tests if coverage is below 90%
+        run: PYTHONPATH="$PYTHONPATH:$PWD/src" pytest --cov --cov-fail-under=90 # Fail tests if coverage is below 90%