test: fix for Github CI

pytest.ini

@@ -2,3 +2,6 @@
 asyncio_mode = auto
 asyncio_default_fixture_loop_scope = function
 addopts = -p no:warnings --doctest-modules --ignore=setup.py --verbose
+markers =
+    asyncio: marks tests as async
+asyncio_fixture_scope = function

tox.ini

@@ -15,7 +15,7 @@ commands =
     playwright install chromium
     playwright install-deps chromium firefox
     camoufox fetch --browserforge
-    pytest --cov=scrapling --cov-report=xml -n auto
+    pytest --cov=scrapling --cov-report=xml -n auto --asyncio-mode=auto
 
 [testenv:pre-commit]
 basepython = python3