container, [], 'custom_migration', []); $filterFormatPermissionMigration = FilterFormatPermission::create($this->container, ['migration' => 'custom_filter_format'], 'custom_filter_format', [], $migration); $migrationPlugin = $this->readAttribute($filterFormatPermissionMigration, 'migrationPlugin'); $config = $this->readAttribute($migrationPlugin, 'configuration'); $this->assertEquals($config['migration'], 'custom_filter_format'); } }