/**
  * @test
  */
 public function lockSiteOrExitUpdatesLockFlagFileLastModifiedTimestampIfItExists()
 {
     $oldLastModifiedTimestamp = time() - 100;
     $this->mockLockFlagFile->lastModified($oldLastModifiedTimestamp);
     $this->lockManager->lockSiteOrExit();
     $this->assertNotEquals($oldLastModifiedTimestamp, $this->mockLockFlagFile->filemtime());
 }