Plug leaky sink in systests. (googleapis#5247)

tseaver · web-flow · commit 05c595f26e8c · 2018-04-27T12:15:13.000-04:00
Fixes googleapis#5242.
diff --git a/logging/tests/system/test_system.py b/logging/tests/system/test_system.py
@@ -427,6 +427,7 @@ def test_create_sink_pubsub_topic(self):
         sink = Config.CLIENT.sink(SINK_NAME, DEFAULT_FILTER, TOPIC_URI)
         self.assertFalse(sink.exists())
         sink.create()
+        self.to_delete.append(sink)
         self.assertTrue(sink.exists())
 
     def _init_bigquery_dataset(self):
