fix tests

Author: tomkralidis

tests/functionaltests/suites/pubsub/test_pubsub_functional.py

@@ -64,4 +64,4 @@ def test_conformance(config):
     content = json.loads(content)
 
     assert headers['Content-Type'] == 'application/json'
-    assert len(content['conformsTo']) == 16
+    assert len(content['conformsTo']) == 18