diff --git a/openstack_dashboard/test/helpers.py b/openstack_dashboard/test/helpers.py
index 89112271c5..0568effdc4 100644
--- a/openstack_dashboard/test/helpers.py
+++ b/openstack_dashboard/test/helpers.py
@@ -283,6 +283,7 @@ class APITestCase(TestCase):
             keystone_client.Client.tenant_id = '1'
             keystone_client.Client.tenant_name = 'tenant_1'
             keystone_client.Client.management_url = ""
+            keystone_client.Client.__dir__ = lambda: []
             self.keystoneclient = self.mox.CreateMock(keystone_client.Client)
         return self.keystoneclient