diff --git a/packages/google-cloud-gke-hub/tests/unit/gapic/gkehub_v1/test_gke_hub.py b/packages/google-cloud-gke-hub/tests/unit/gapic/gkehub_v1/test_gke_hub.py
index f60814ee9aa4..3bd105a278b6 100644
--- a/packages/google-cloud-gke-hub/tests/unit/gapic/gkehub_v1/test_gke_hub.py
+++ b/packages/google-cloud-gke-hub/tests/unit/gapic/gkehub_v1/test_gke_hub.py
@@ -18,8 +18,8 @@
 # try/except added for compatibility with python < 3.8
 try:
     from unittest import mock
-    from unittest.mock import AsyncMock
-except ImportError:
+    from unittest.mock import AsyncMock  # pragma: NO COVER
+except ImportError:  # pragma: NO COVER
     import mock
 
 import grpc
diff --git a/packages/google-cloud-gke-hub/tests/unit/gapic/gkehub_v1beta1/test_gke_hub_membership_service.py b/packages/google-cloud-gke-hub/tests/unit/gapic/gkehub_v1beta1/test_gke_hub_membership_service.py
index 7bc08936ec7e..1d8aca375b2f 100644
--- a/packages/google-cloud-gke-hub/tests/unit/gapic/gkehub_v1beta1/test_gke_hub_membership_service.py
+++ b/packages/google-cloud-gke-hub/tests/unit/gapic/gkehub_v1beta1/test_gke_hub_membership_service.py
@@ -18,8 +18,8 @@
 # try/except added for compatibility with python < 3.8
 try:
     from unittest import mock
-    from unittest.mock import AsyncMock
-except ImportError:
+    from unittest.mock import AsyncMock  # pragma: NO COVER
+except ImportError:  # pragma: NO COVER
     import mock
 
 import grpc