diff --git a/packages/google-cloud-spanner/tests/unit/_async/test_database.py b/packages/google-cloud-spanner/tests/unit/_async/test_database.py
index bfb96e0aa091..1d5c57599693 100644
--- a/packages/google-cloud-spanner/tests/unit/_async/test_database.py
+++ b/packages/google-cloud-spanner/tests/unit/_async/test_database.py
@@ -4124,7 +4124,7 @@ def __init__(
         self._endpoint_cache = {}
         self.database_admin_api = _make_database_admin_api()
         self.instance_admin_api = _make_instance_api()
-        self._client_info = CrossSync.Mock()
+        self._client_info = gapic_v1.client_info.ClientInfo()
         self._client_options = CrossSync.Mock()
         self._client_options.universe_domain = "googleapis.com"
         self._client_options.api_key = None
diff --git a/packages/google-cloud-spanner/tests/unit/test_database.py b/packages/google-cloud-spanner/tests/unit/test_database.py
index 106321cc68e6..21c382b45438 100644
--- a/packages/google-cloud-spanner/tests/unit/test_database.py
+++ b/packages/google-cloud-spanner/tests/unit/test_database.py
@@ -3557,7 +3557,7 @@ def __init__(
         self._endpoint_cache = {}
         self.database_admin_api = _make_database_admin_api()
         self.instance_admin_api = _make_instance_api()
-        self._client_info = mock.Mock()
+        self._client_info = gapic_v1.client_info.ClientInfo()
         self._client_options = mock.Mock()
         self._client_options.universe_domain = "googleapis.com"
         self._client_options.api_key = None