public function test_pass()
 {
     $now = 1000;
     $assertion = new Assertion();
     $assertion->setSubject((new Subject())->addSubjectConfirmation((new SubjectConfirmation())->setSubjectConfirmationData((new SubjectConfirmationData())->setNotOnOrAfter(2000))));
     $assertion->addItem((new AuthnStatement())->setSessionNotOnOrAfter(2000));
     $assertion->setConditions((new Conditions())->setNotOnOrAfter(2000)->setNotBefore(900));
     $validator = new AssertionTimeValidator();
     $validator->validateTimeRestrictions($assertion, $now, 10);
 }