Use wagtail 3.0.1 and use robust testing for the activation email

hypha/apply/users/tests/test_utils.py

 from django.core import mail
+from test.support import EnvironmentVarGuard
 from django.test import TestCase, override_settings
-from django.conf import settings
 
 from hypha.apply.users.tests.factories import UserFactory
 
@@ -9,7 +9,12 @@ from ..utils import send_activation_email
 
 @override_settings(ROOT_URLCONF='hypha.apply.urls')
 class TestActivationEmail(TestCase):
+    def setUp(self) -> None:
+        self.env = EnvironmentVarGuard()
+        self.env.set('PRIMARY_HOST', 'primary-domain.org')
+
     def test_activation_email_includes_link(self):
-        send_activation_email(UserFactory())
-        self.assertEqual(len(mail.outbox), 1)
-        self.assertContains(mail.outbox[0], settings.WAGTAILADMIN_BASE_URL)
+        with self.env:
+            send_activation_email(UserFactory())
+            assert len(mail.outbox) == 1
+            assert "password reset form at https://primary-domain.org" in mail.outbox[0]

requirements.txt

@@ -48,6 +48,6 @@ social_auth_app_django==5.0.0
 tomd==0.1.3
 wagtail-cache==1.0.2
 wagtail-purge==0.1
-wagtail==3.0.0
+wagtail==3.0.1
 whitenoise==5.3.0
 xmltodict==0.12.0