diff --git a/.github/workflows/python-app.yml b/.github/workflows/python-app.yml
index 9be4274..f5d1639 100644
--- a/.github/workflows/python-app.yml
+++ b/.github/workflows/python-app.yml
@@ -25,4 +25,4 @@ jobs:
       run: pip install -r requirements.txt
       
     - name: Run pytest
-      run: pytest /tests/preparer_tester.py
+      run: python -m pytest --import-mode=append tests/