Fix tests

Author: rullzer

apps/files_sharing/lib/API/Share20OCS.php

@@ -501,7 +501,7 @@ public function getShares() {
 			$userFolder = $this->rootFolder->getUserFolder($this->currentUser->getUID());
 			try {
 				$path = $userFolder->get($path);
-				$path->lock(ILockingProvider::LOCK_SHARED);
+				$this->lock($path);
 			} catch (\OCP\Files\NotFoundException $e) {
 				throw new OCSNotFoundException($this->l->t('Wrong path, file/folder doesn\'t exist'));
 			} catch (LockedException $e) {