diff --git a/tests/unit/pubsub_v1/subscriber/test_subscriber_client.py b/tests/unit/pubsub_v1/subscriber/test_subscriber_client.py
index 1f60b536d..793ceca3c 100644
--- a/tests/unit/pubsub_v1/subscriber/test_subscriber_client.py
+++ b/tests/unit/pubsub_v1/subscriber/test_subscriber_client.py
@@ -205,7 +205,7 @@ def test_context_manager_raises_if_closed(creds):
     expetect_msg = r"(?i).*closed.*cannot.*context manager.*"
     with pytest.raises(RuntimeError, match=expetect_msg):
         with client:
-            pass
+            pass  # pragma: NO COVER
 
 
 def test_api_property_deprecated(creds):