test: Fix for Github CI

tox.ini

@@ -15,7 +15,9 @@ commands =
     playwright install chromium
     playwright install-deps chromium firefox
     camoufox fetch --browserforge
-    pytest --cov=scrapling --cov-report=xml -n auto --asyncio-mode=auto
+    # Test async tests without parallelization to escape Github CI issues with nested loops
+    pytest --cov=scrapling --cov-report=xml -m "asyncio" --verbose
+    pytest --cov=scrapling --cov-report=xml -m "not asyncio" -n auto --cov-append
 
 [testenv:pre-commit]
 basepython = python3