Register encryption storage wrapper in trashbin storage test

Because the encryption wrapper does some twisted stuff with methods like
moveFromStorage, we need to apply it here to make sure the behavior is
close to reality.

apps/files_trashbin/tests/StorageTest.php

@@ -60,9 +60,14 @@ protected function setUp() {
 		\OC_Hook::clear();
 		\OCA\Files_Trashbin\Trashbin::registerHooks();
 
+		// the encryption wrapper does some twisted stuff with moveFromStorage...
+		// we need to register it here so that the tested behavior is closer to reality
+		\OC::$server->getEncryptionManager()->setupStorage();
+
 		$this->user = $this->getUniqueId('user');
 		\OC::$server->getUserManager()->createUser($this->user, $this->user);
 
+
 		// this will setup the FS
 		$this->loginAsUser($this->user);
 
@@ -82,6 +87,7 @@ protected function tearDown() {
 		$user = \OC::$server->getUserManager()->get($this->user);
 		if ($user !== null) { $user->delete(); }
 		\OC_Hook::clear();
+		\OC\Files\Filesystem::getLoader()->removeStorageWrapper('oc_encryption');
 		parent::tearDown();
 	}