Fixed #31579 -- Dropped support for PostgreSQL 9.5 and PostGIS 2.2.

tests/postgres_tests/migrations/0001_setup_extensions.py

@@ -1,6 +1,6 @@
 from unittest import mock
 
-from django.db import connection, migrations
+from django.db import migrations
 
 try:
     from django.contrib.postgres.operations import (
@@ -23,11 +23,7 @@ except ImportError:
 class Migration(migrations.Migration):
 
     operations = [
-        (
-            BloomExtension()
-            if getattr(connection.features, 'has_bloom_index', False)
-            else mock.Mock()
-        ),
+        BloomExtension(),
         BtreeGinExtension(),
         BtreeGistExtension(),
         CITextExtension(),