Refs #33308 -- Ensured type handlers are registered for all PostgreSQL specific tests.

Co-authored-by: Mariusz Felisiak <felisiak.mariusz@gmail.com>

tests/postgres_tests/test_unaccent.py

@@ -1,11 +1,9 @@
 from django.db import connection
-from django.test import modify_settings
 
 from . import PostgreSQLTestCase
 from .models import CharFieldModel, TextFieldModel
 
 
-@modify_settings(INSTALLED_APPS={"append": "django.contrib.postgres"})
 class UnaccentTest(PostgreSQLTestCase):
 
     Model = CharFieldModel