public function testReloadNull()
 {
     $oldEntity = null;
     $persister = $this->getMock('\\eBayEnterprise\\Behat\\RegistryExtension\\Persister');
     $persister->expects($this->never())->method('reload');
     $registry = new Registry($persister);
     $registry->append($oldEntity);
     $registry->reload();
 }