public function testJsonCollectionName()
 {
     $this->assertEquals('instanceCollection', MyPersistentObject::JsonCollectionName());
 }
 /**
  * @expectedException OpenCloud\Common\Exceptions\ServiceException
  */
 public function testGettingServiceFailsIfNotSet()
 {
     $service = new MyPersistentObject();
     $service->getService();
 }