Fix for issue #624: (#901)

- SSL problem has been fixed so this can be re-enabled
- Correct URL error
- Remove the skip decorator

tests/test_csw_geonetwork.py

@@ -4,11 +4,10 @@
 
 from owslib.csw import CatalogueServiceWeb
 
-SERVICE_URL = 'https://metadata.bgs.ac.uk/geonetwork/srv/en/csw'
+SERVICE_URL = 'https://metadata.bgs.ac.uk/geonetwork/srv/eng/csw'
 
 
 @pytest.mark.online
-@pytest.mark.skip(reason='server ssl issue. See issue #624')
 @pytest.mark.skipif(not service_ok(SERVICE_URL),
                     reason='service is unreachable')
 def test_csw_geonetwork():