public function testSubscriptionBookmark()
 {
     $quantumView = new Ups\QuantumView();
     $quantumView->setRequest(new RequestMock('/QVEvents/Response3.xml'));
     $quantumView->getSubscription(null, time() - 518400);
     $this->assertTrue($quantumView->hasBookmark());
     $this->assertEquals('I3btAry3RydFAvioq9Bb3sTLBGPgYB0kZ4CSsgXCMua4NJd0OLtaI60WCfLRVF33', $quantumView->getBookmark());
 }
 /**
  * Return the bookmark.
  *
  * @return string|null
  */
 public function getBookmark()
 {
     return $this->upsQuantumView->getBookmark();
 }