Create a simple service builder entity with 2 columns: Name, Description.
Create an entity Indexer class that extends BaseIndexer and implements all the required methods.
Create a Search that extend BaseSearcher.
Use the search class to query the indexer and get results.
We expect some results but no result are provided.
We understand that in the Search is looking for a CONTENT field that we don't put in the document.
Expected result: if we don't index a CONTENT field than the search should anyway work