/**
  * deleteSessionsOlderThen() test
  *
  * @magentoDataFixture Magento/Security/_files/adminsession.php
  */
 public function testDeleteSessionsOlderThen()
 {
     $startTime = strtotime('2016-01-19 15:42:13');
     $this->collectionModel->deleteSessionsOlderThen($startTime);
     $this->collectionModel->load();
     $this->assertGreaterThanOrEqual(1, $this->collectionModel->getSize());
 }