Nelmio\Alice\Definition\Object\SimpleObject::getId PHP Метод

    public function getId() : string
    {
        return $this->reference;
    }

 public function testReadAccessorsReturnPropertiesValues()
 {
     $reference = 'user0';
     $instance = new \stdClass();
     $object = new SimpleObject($reference, $instance);
     $this->assertEquals($reference, $object->getId());
     $this->assertEquals($instance, $object->getInstance());
 }