diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index d9038c0..6acc238 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -34,6 +34,7 @@ jobs:
         flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
         # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
         flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics --extend-ignore=E501,E401,E402
-    - name: Test with pytest
+    - name: Test with unittest
       run: |
-        pytest
+        cd contents
+        python -m unittest -v tests/*.py tests/util/*.py