diff --git a/test/test_api_usage.py b/test/test_api_usage.py
index f80082c79..28d1b211a 100644
--- a/test/test_api_usage.py
+++ b/test/test_api_usage.py
@@ -2832,7 +2832,7 @@ class FakeBuildTrigger(BuildTriggerHandler):
 
     return self.config['dockerfile']
 
-  def list_field_values(self, field_name):
+  def list_field_values(self, field_name, limit=None):
     if field_name == 'test_field':
       return [1, 2, 3]