Replaced ugettext and ugettext_lazy with gettext and gettext_lazy

ugettext and ugettext_lazy were deprecated in Django 3 and will be
removed in Django 4.

dav_auth/tests/test_forms.py

@@ -2,7 +2,7 @@
 from unittest import skip
 from django.contrib.auth import get_user_model
 from django.core import mail as django_mail
-from django.utils.translation import ugettext
+from django.utils.translation import gettext
 
 from dav_base.tests.generic import FormDataSet, FormsTestCase
 
@@ -25,8 +25,8 @@ class LoginFormTestCase(FormsTestCase):
 
     def test_labels(self):
         form = self.form_class()
-        self.assertEqual(form.fields['username'].label, ugettext('E-Mail-Adresse'))
-        self.assertEqual(form.fields['password'].label, ugettext('Password'))
+        self.assertEqual(form.fields['username'].label, gettext('E-Mail-Adresse'))
+        self.assertEqual(form.fields['password'].label, gettext('Password'))
 
     def test_required(self):
         form = self.form_class()
@@ -193,7 +193,7 @@ class CreateAndSendPasswordFormTestCase(FormsTestCase):
 
     def test_labels(self):
         form = self.form_class()
-        self.assertEqual(form.fields['username'].label, ugettext('E-Mail-Adresse'))
+        self.assertEqual(form.fields['username'].label, gettext('E-Mail-Adresse'))
 
     def test_required(self):
         form = self.form_class()