Fix CI (#936)

Author: martindurant

s3fs/tests/test_s3fs.py

@@ -269,6 +269,7 @@ def test_info(s3):
     info.pop("ContentType")
     linfo.pop("Key")
     linfo.pop("Size")
+    linfo.pop("ChecksumAlgorithm")
     assert info == linfo
     parent = a.rsplit("/", 1)[0]
     s3.invalidate_cache()  # remove full path from the cache