chore: enabling migrations syncing test. (#32941)

common/djangoapps/util/tests/test_db.py

@@ -3,7 +3,7 @@
 from io import StringIO
 
 import ddt
-import pytest
+
 from django.core.management import call_command
 from django.db.transaction import TransactionManagementError, atomic
 from django.test import TestCase, TransactionTestCase
@@ -121,7 +121,6 @@ class MigrationTests(TestCase):
     Tests for migrations.
     """
 
-    @pytest.mark.skip(reason="Upgrading django-simple-history without adding migrations.")
     @override_settings(MIGRATION_MODULES={})
     def test_migrations_are_in_sync(self):
         """