Update test_pf8.py

Author: eselimnl

tests/integration/test_pf8.py

@@ -15,7 +15,8 @@ def setup_pf8(url="simplecache::gs://pf8-release/", **storage_kwargs):
 
 @pytest.mark.parametrize(
     "url",
-    [
+    [    
+        "s3://pf8-release/",
         "gs://pf8-release/",
         "gcs://pf8-release/",
         "gs://pf8-release",