Improve GH actions

Author: martin056

.github/workflows/django.yml

@@ -27,7 +27,9 @@ jobs:
     - name: Run migrations
       run: python manage.py migrate
     - name: Run tests
-      run: py.test
+      run: |
+        pip install -r requirements/test.txt
+        py.test -s styleguide_example/
   deploy_to_heroku:
     runs-on: ubuntu-latest
     needs: build