diff --git a/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3/test_agents.py b/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3/test_agents.py
index 08b0dca50c4b..9f0e24de8374 100644
--- a/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3/test_agents.py
+++ b/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3/test_agents.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-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3/test_changelogs.py b/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3/test_changelogs.py
index e7ab5dde390d..db6af8ac1208 100644
--- a/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3/test_changelogs.py
+++ b/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3/test_changelogs.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-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3/test_deployments.py b/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3/test_deployments.py
index 93b1ef5c4b50..257a9834d0f0 100644
--- a/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3/test_deployments.py
+++ b/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3/test_deployments.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-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3/test_entity_types.py b/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3/test_entity_types.py
index 2ee8277dff70..1669ba284146 100644
--- a/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3/test_entity_types.py
+++ b/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3/test_entity_types.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-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3/test_environments.py b/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3/test_environments.py
index 4cd4555ff3ce..24f2752f097b 100644
--- a/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3/test_environments.py
+++ b/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3/test_environments.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-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3/test_experiments.py b/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3/test_experiments.py
index f78ee8e0476f..546e009e61f3 100644
--- a/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3/test_experiments.py
+++ b/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3/test_experiments.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-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3/test_flows.py b/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3/test_flows.py
index 3e59f6574741..beb4d24d124f 100644
--- a/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3/test_flows.py
+++ b/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3/test_flows.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-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3/test_intents.py b/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3/test_intents.py
index d9f9db584bdd..0aa21116b2b4 100644
--- a/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3/test_intents.py
+++ b/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3/test_intents.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-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3/test_pages.py b/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3/test_pages.py
index da74efd7dc2d..19571d77071b 100644
--- a/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3/test_pages.py
+++ b/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3/test_pages.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-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3/test_security_settings_service.py b/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3/test_security_settings_service.py
index 8fcc9dded898..18dc69c1671d 100644
--- a/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3/test_security_settings_service.py
+++ b/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3/test_security_settings_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
diff --git a/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3/test_session_entity_types.py b/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3/test_session_entity_types.py
index 0caaf7bbc015..186b0c4de484 100644
--- a/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3/test_session_entity_types.py
+++ b/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3/test_session_entity_types.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-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3/test_sessions.py b/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3/test_sessions.py
index 22570f580e66..771b9bb7ddef 100644
--- a/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3/test_sessions.py
+++ b/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3/test_sessions.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-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3/test_test_cases.py b/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3/test_test_cases.py
index 3436ebf74b74..54f10ee8f864 100644
--- a/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3/test_test_cases.py
+++ b/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3/test_test_cases.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-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3/test_transition_route_groups.py b/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3/test_transition_route_groups.py
index 2e248466123a..40bf65bd728b 100644
--- a/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3/test_transition_route_groups.py
+++ b/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3/test_transition_route_groups.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-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3/test_versions.py b/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3/test_versions.py
index c463e63b97c8..21d48fa76081 100644
--- a/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3/test_versions.py
+++ b/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3/test_versions.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-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3/test_webhooks.py b/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3/test_webhooks.py
index 437def5d468d..7188f4881d06 100644
--- a/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3/test_webhooks.py
+++ b/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3/test_webhooks.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-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3beta1/test_agents.py b/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3beta1/test_agents.py
index 8b7b415e7d5e..74e5ffdea1f4 100644
--- a/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3beta1/test_agents.py
+++ b/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3beta1/test_agents.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-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3beta1/test_changelogs.py b/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3beta1/test_changelogs.py
index 071817c3e6b6..a0c1749b12ed 100644
--- a/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3beta1/test_changelogs.py
+++ b/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3beta1/test_changelogs.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-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3beta1/test_deployments.py b/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3beta1/test_deployments.py
index 2f7d0f670195..4f99eb8e9a59 100644
--- a/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3beta1/test_deployments.py
+++ b/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3beta1/test_deployments.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-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3beta1/test_entity_types.py b/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3beta1/test_entity_types.py
index c22045ac4028..2acb54180000 100644
--- a/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3beta1/test_entity_types.py
+++ b/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3beta1/test_entity_types.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-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3beta1/test_environments.py b/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3beta1/test_environments.py
index ec8c841fa500..3fc6a87fb8c9 100644
--- a/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3beta1/test_environments.py
+++ b/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3beta1/test_environments.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-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3beta1/test_experiments.py b/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3beta1/test_experiments.py
index 8691dd92aeb0..030a0f68fca2 100644
--- a/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3beta1/test_experiments.py
+++ b/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3beta1/test_experiments.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-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3beta1/test_flows.py b/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3beta1/test_flows.py
index ea5bdf4076e1..8cf4ec7f4819 100644
--- a/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3beta1/test_flows.py
+++ b/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3beta1/test_flows.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-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3beta1/test_intents.py b/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3beta1/test_intents.py
index 036c2fba95d8..a06d0814251e 100644
--- a/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3beta1/test_intents.py
+++ b/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3beta1/test_intents.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-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3beta1/test_pages.py b/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3beta1/test_pages.py
index 129817e67bab..93e933c927eb 100644
--- a/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3beta1/test_pages.py
+++ b/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3beta1/test_pages.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-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3beta1/test_security_settings_service.py b/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3beta1/test_security_settings_service.py
index f348f91ac2bd..b78a159fbbe1 100644
--- a/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3beta1/test_security_settings_service.py
+++ b/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3beta1/test_security_settings_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
diff --git a/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3beta1/test_session_entity_types.py b/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3beta1/test_session_entity_types.py
index 9450ef96e83a..d6d75c0b58ed 100644
--- a/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3beta1/test_session_entity_types.py
+++ b/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3beta1/test_session_entity_types.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-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3beta1/test_sessions.py b/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3beta1/test_sessions.py
index 650ed97ddad7..acd1832a0f45 100644
--- a/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3beta1/test_sessions.py
+++ b/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3beta1/test_sessions.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-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3beta1/test_test_cases.py b/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3beta1/test_test_cases.py
index 2911d2dad510..69a7645e6472 100644
--- a/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3beta1/test_test_cases.py
+++ b/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3beta1/test_test_cases.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-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3beta1/test_transition_route_groups.py b/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3beta1/test_transition_route_groups.py
index 84f05437685e..4efb10174a9b 100644
--- a/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3beta1/test_transition_route_groups.py
+++ b/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3beta1/test_transition_route_groups.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-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3beta1/test_versions.py b/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3beta1/test_versions.py
index 27cd79769746..5b0e6bcdf454 100644
--- a/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3beta1/test_versions.py
+++ b/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3beta1/test_versions.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-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3beta1/test_webhooks.py b/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3beta1/test_webhooks.py
index b3acf4a41442..29efe8342af5 100644
--- a/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3beta1/test_webhooks.py
+++ b/packages/google-cloud-dialogflow-cx/tests/unit/gapic/dialogflowcx_v3beta1/test_webhooks.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