diff --git a/engine/apps/api/tests/test_schedules.py b/engine/apps/api/tests/test_schedules.py
index c788d521..cadcb5f4 100644
--- a/engine/apps/api/tests/test_schedules.py
+++ b/engine/apps/api/tests/test_schedules.py
@@ -424,6 +424,7 @@ def test_events_calendar(
                 "start": on_call_shift.start,
                 "end": on_call_shift.start + on_call_shift.duration,
                 "users": [{"display_name": user.username, "pk": user.public_primary_key}],
+                "missing_users": [],
                 "priority_level": on_call_shift.priority_level,
                 "source": "api",
                 "calendar_type": OnCallSchedule.PRIMARY,
@@ -487,6 +488,7 @@ def test_filter_events_calendar(
                 "start": mon_start,
                 "end": mon_start + on_call_shift.duration,
                 "users": [{"display_name": user.username, "pk": user.public_primary_key}],
+                "missing_users": [],
                 "priority_level": on_call_shift.priority_level,
                 "source": "api",
                 "calendar_type": OnCallSchedule.PRIMARY,
@@ -501,6 +503,7 @@ def test_filter_events_calendar(
                 "start": fri_start,
                 "end": fri_start + on_call_shift.duration,
                 "users": [{"display_name": user.username, "pk": user.public_primary_key}],
+                "missing_users": [],
                 "priority_level": on_call_shift.priority_level,
                 "source": "api",
                 "calendar_type": OnCallSchedule.PRIMARY,
@@ -567,6 +570,7 @@ def test_filter_events_range_calendar(
                 "start": fri_start,
                 "end": fri_start + on_call_shift.duration,
                 "users": [{"display_name": user.username, "pk": user.public_primary_key}],
+                "missing_users": [],
                 "priority_level": on_call_shift.priority_level,
                 "source": "api",
                 "calendar_type": OnCallSchedule.PRIMARY,