registerCustomFieldsMapping example

$connection->rollBack();
    }

    public function testIndexing(): IdsCollection
    {
        static::expectNotToPerformAssertions();

        $this->connection->executeStatement('DELETE FROM product');

        $this->clearElasticsearch();
        $this->registerCustomFieldsMapping();
        $this->indexElasticSearch();

        $ids = new TestDataCollection();
        $this->createData($ids);

        $this->refreshIndex();

        return $ids;
    }

    /** * @depends testIndexing */