diff --git a/samples/snippets/quickstart_listassets_test.py b/samples/snippets/quickstart_listassets_test.py
index 5a322e71..971f227d 100644
--- a/samples/snippets/quickstart_listassets_test.py
+++ b/samples/snippets/quickstart_listassets_test.py
@@ -22,6 +22,6 @@
 
 
 def test_list_assets(capsys):
-    quickstart_listassets.list_assets(project_id=PROJECT, asset_types=[], page_size=10)
+    quickstart_listassets.list_assets(project_id=PROJECT, asset_types=["iam.googleapis.com/Role"], page_size=10)
     out, _ = capsys.readouterr()
     assert 'asset' in out