diff -Naur pyvo-0.8.1/pyvo/dal/tests/test_tap.py pyvo-0.8.1.patched/pyvo/dal/tests/test_tap.py
--- pyvo-0.8.1/pyvo/dal/tests/test_tap.py	2018-05-24 11:19:45.000000000 +0200
+++ pyvo-0.8.1.patched/pyvo/dal/tests/test_tap.py	2018-07-08 10:48:44.077288442 +0200
@@ -50,7 +50,7 @@
 
 
 @pytest.fixture()
-def async(mocker):
+def pyvo_async(mocker):
     class Callback(object):
         def __init__(self):
             self._jobs = dict()