public function unlockSiteClosesLockResource()
{
$mockLockResource = fopen($this->mockLockFile->url(), 'w+');
$this->mockLockFile->lock($mockLockResource, LOCK_EX | LOCK_NB);
$this->inject($this->lockManager, 'lockResource', $mockLockResource);
$this->lockManager->unlockSite();
$this->assertFalse(is_resource($mockLockResource));
}