BUG: Pytest.

Author: ntustison

.github/workflows/test.yml

@@ -48,6 +48,10 @@ jobs:
       run: |
         python download_all_data.py --strict
 
-    - name: Run unit tests
+    - name: Run tests (individually via pytest)
       run: |
-        python -m unittest discover -s tests
+        pip install pytest
+        for f in tests/test_*.py; do
+          echo "🔍 Running $f"
+          pytest -v -s "$f" || exit 1
+        done