Removed blanket W55 ignore for astropy<4.1

Author: pllim

astroquery/vo_conesearch/tests/test_vos_catalog.py

@@ -187,6 +187,7 @@ def test_write_json(tmpdir):
     assert db.list_catalogs_by_url() == db2.list_catalogs_by_url()
 
 
+@pytest.mark.filterwarnings('ignore')
 @pytest.mark.remote_data
 def test_db_from_registry():
     """Test database created from VO registry.

setup.cfg

@@ -51,7 +51,6 @@ filterwarnings =
     ignore::astropy.io.votable.exceptions.W42
     ignore::astropy.io.votable.exceptions.W49
     ignore::astropy.io.votable.exceptions.W50
-    ignore::astropy.io.votable.exceptions.W55
     ignore:leap-second auto-update failed:astropy.utils.exceptions.AstropyWarning
     ignore:numpy.ndarray size changed:RuntimeWarning
     ignore:OverflowError converting::astropy