X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/35ade8a042094a27e2ca5cfd5e9754aa3513410c..9dae71315a83504493952f9039de958594e45f31:/services/nodemanager/tests/test_clientactor.py

diff --git a/services/nodemanager/tests/test_clientactor.py b/services/nodemanager/tests/test_clientactor.py
index 57a0d32d06..cee9c85a22 100644
--- a/services/nodemanager/tests/test_clientactor.py
+++ b/services/nodemanager/tests/test_clientactor.py
@@ -47,7 +47,8 @@ class RemotePollLoopActorTestCase(testutil.RemotePollLoopActorTestMixin,
 
     def test_late_subscribers_get_responses(self):
         self.build_monitor(['pre_late_test', 'late_test'])
-        self.monitor.subscribe(lambda response: None).get(self.TIMEOUT)
+        mock_subscriber = mock.Mock(name='mock_subscriber')
+        self.monitor.subscribe(mock_subscriber).get(self.TIMEOUT)
         self.monitor.subscribe(self.subscriber)
         self.monitor.poll().get(self.TIMEOUT)
         self.stop_proxy(self.monitor)
@@ -146,4 +147,3 @@ class RemotePollLoopActorWithKeysTestCase(testutil.RemotePollLoopActorTestMixin,
 
 if __name__ == '__main__':
     unittest.main()
-