'Undefined MIGRATION_MODULES implies default migration module.'

@override_settings(INSTALLED_APPS=['migrations.migrations_test_apps.migrated_app'])
def test_marked_as_migrated(self):

    migration_loader = MigrationLoader(connection)
    self.assertEqual(migration_loader.migrated_apps, {'migrated_app'})
    self.assertEqual(migration_loader.unmigrated_apps, set())
