fix indexer test after merging 2.2.0
fix indexer test after merging 2.2.0

innovatordm/wordpress-fantastic-elasticsearch,martybel/wordpress-fantastic-elasticsearch,martybel/wordpress-fantastic-elasticsearch,parisholley/wordpress-fantastic-elasticsearch,makeandship/wordpress-fantastic-elasticsearch,innovatordm/wordpress-fantastic-elasticsearch,makeandship/wordpress-fantastic-elasticsearch,martybel/wordpress-fantastic-elasticsearch,innovatordm/wordpress-fantastic-elasticsearch,parisholley/wordpress-fantastic-elasticsearch,makeandship/wordpress-fantastic-elasticsearch,parisholley/wordpress-fantastic-elasticsearch