Use the syncmail command as defined in custommail

bda/tests/test_views.py

@@ -1,9 +1,12 @@
 import json
+import os
 from datetime import timedelta
 from unittest import mock
 from urllib.parse import urlencode
 
+from django.conf import settings
 from django.contrib.auth.models import User
+from django.core.management import call_command
 from django.test import Client, TestCase
 from django.utils import timezone
 
@@ -49,9 +52,10 @@ class BdATestHelpers:
         ]
 
     def require_custommails(self):
-        from django.core.management import call_command
-
-        call_command("syncmails", verbosity=0)
+        data_file = os.path.join(
+            settings.BASE_DIR, "gestioncof", "management", "data", "custommail.json"
+        )
+        call_command("syncmails", data_file, verbosity=0)
 
     def check_restricted_access(
         self, url, validate_user=user_is_cof, redirect_url=None