TST: placement of network error catching in s3 tests

Author: jreback

pandas/tests/io/parser/test_network.py

@@ -45,8 +45,9 @@ def check_compressed_urls(salaries_table, compression, extension, mode,
     tm.assert_frame_equal(url_table, salaries_table)
 
 
+@tm.network
 class TestS3(object):
-    @tm.network
+
     def test_parse_public_s3_bucket(self):
         pytest.importorskip('s3fs')
         # more of an integration test due to the not-public contents portion