public function testAddPetUsingByteArray()
 {
     // initialize the API client
     $config = (new Swagger\Client\Configuration())->setHost('http://petstore.swagger.io/v2');
     $api_client = new Swagger\Client\ApiClient($config);
     $new_pet_id = 10005;
     $new_pet = new Swagger\Client\Model\Pet();
     $new_pet->setId($new_pet_id);
     $new_pet->setName("PHP Unit Test 3");
     // new tag
     $tag = new Swagger\Client\Model\Tag();
     $tag->setId($new_pet_id);
     // use the same id as pet
     $tag->setName("test php tag");
     // new category
     $category = new Swagger\Client\Model\Category();
     $category->setId($new_pet_id);
     // use the same id as pet
     $category->setName("test php category");
     $new_pet->setTags(array($tag));
     $new_pet->setCategory($category);
     $pet_api = new Swagger\Client\Api\PetAPI($api_client);
     // add a new pet (model)
     $object_serializer = new Swagger\Client\ObjectSerializer();
     $pet_json_string = json_encode($object_serializer->sanitizeForSerialization($new_pet));
     $add_response = $pet_api->addPetUsingByteArray(unpack('C*', $pet_json_string));
     // return nothing (void)
     $this->assertSame($add_response, NULL);
     // verify added Pet
     $response = $pet_api->getPetById($new_pet_id);
     $this->assertSame($response->getId(), $new_pet_id);
     $this->assertSame($response->getName(), 'PHP Unit Test 3');
 }