1 files changed, 1 insertions, 0 deletions

diff --git a/tests/helper.py b/tests/helper.py
index fcb0e9d..4548b16 100644
--- a/tests/helper.py
+++ b/tests/helper.py
@@ -32,6 +32,7 @@ class WebMockTestCase(unittest.TestCase):
                     last_date=store.LockedVar(None),
                     report=mock.Mock(),
                     worker=None,
+                    worker_tag="",
                     worker_notify=None,
                     worker_started=False,
                     callback=None),