diff --git a/tests/unit/gapic/documentai_v1/test_document_processor_service.py b/tests/unit/gapic/documentai_v1/test_document_processor_service.py
index 59524844..8b0756b0 100644
--- a/tests/unit/gapic/documentai_v1/test_document_processor_service.py
+++ b/tests/unit/gapic/documentai_v1/test_document_processor_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 math
diff --git a/tests/unit/gapic/documentai_v1beta2/test_document_understanding_service.py b/tests/unit/gapic/documentai_v1beta2/test_document_understanding_service.py
index 22ee3d5c..0b51c636 100644
--- a/tests/unit/gapic/documentai_v1beta2/test_document_understanding_service.py
+++ b/tests/unit/gapic/documentai_v1beta2/test_document_understanding_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 math
diff --git a/tests/unit/gapic/documentai_v1beta3/test_document_processor_service.py b/tests/unit/gapic/documentai_v1beta3/test_document_processor_service.py
index 4f9f2056..14821a65 100644
--- a/tests/unit/gapic/documentai_v1beta3/test_document_processor_service.py
+++ b/tests/unit/gapic/documentai_v1beta3/test_document_processor_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 math