/**
  * Fetch with custom entity class
  */
 public function testFetchByIdWithResult()
 {
     $obj_request = new \google\appengine\datastore\v4\LookupRequest();
     $obj_request->mutableReadOptions();
     $obj_key = $obj_request->addKey();
     $obj_partition = $obj_key->mutablePartitionId();
     $obj_partition->setDatasetId('Dataset');
     $obj_kpe = $obj_key->addPathElement();
     $obj_kpe->setKind('Book');
     $obj_kpe->setId(123456789);
     $obj_response = new \google\appengine\datastore\v4\LookupResponse();
     $obj_found = $obj_response->addFound();
     $obj_entity = $obj_found->mutableEntity();
     $obj_result_key = $obj_entity->mutableKey();
     $obj_result_kpe = $obj_result_key->addPathElement();
     $obj_result_kpe->setKind('Book');
     $obj_result_kpe->setId(123456789);
     $obj_result_property = $obj_entity->addProperty();
     $obj_result_property->setName('author');
     $obj_val = $obj_result_property->mutableValue();
     // addDeprecatedValue();
     $obj_val->setStringValue('William Shakespeare');
     $this->apiProxyMock->expectCall('datastore_v4', 'Lookup', $obj_request, $obj_response);
     $obj_gateway = new \GDS\Gateway\ProtoBuf('Dataset');
     $obj_store = new \GDS\Store('Book', $obj_gateway);
     $obj_store->setEntityClass('Book');
     $obj_result = $obj_store->fetchById(123456789);
     $this->assertInstanceOf('\\GDS\\Entity', $obj_result);
     $this->assertInstanceOf('\\Book', $obj_result);
     $this->assertEquals(1, count($obj_result->getData()));
     $this->assertEquals('Book', $obj_result->getKind());
     $this->assertEquals(123456789, $obj_result->getKeyId());
     $this->assertEquals($obj_result->author, 'William Shakespeare');
     $this->apiProxyMock->verify();
 }