fix all tests

app/__init__.py

@@ -66,6 +66,7 @@ from app.formatters import (
     format_notification_type,
     format_number_in_pounds_as_currency,
     format_thousands,
+    format_time_24h,
     format_yes_no,
     id_safe,
     iteration_count,
@@ -554,6 +555,7 @@ def add_template_filters(application):
         format_day_of_week,
         format_delta,
         format_delta_days,
+        format_time_24h,
         format_notification_status,
         format_notification_type,
         format_notification_status_as_time,