diff --git a/tests/lib/connector/sabre/requesttest/requesttest.php b/tests/lib/connector/sabre/requesttest/requesttest.php
index 7b19282441..7f33dcf817 100644
--- a/tests/lib/connector/sabre/requesttest/requesttest.php
+++ b/tests/lib/connector/sabre/requesttest/requesttest.php
@@ -11,20 +11,18 @@ namespace Test\Connector\Sabre\RequestTest;
 use OC\Connector\Sabre\Server;
 use OC\Connector\Sabre\ServerFactory;
 use OC\Files\Mount\MountPoint;
+use OC\Files\Storage\StorageFactory;
 use OC\Files\Storage\Temporary;
 use OC\Files\View;
 use OCP\IUser;
 use Sabre\HTTP\Request;
 use Test\TestCase;
+use Test\Traits\MountProviderTrait;
 use Test\Traits\UserTrait;
 
 abstract class RequestTest extends TestCase {
 	use UserTrait;
-
-	/**
-	 * @var \OCP\Files\Config\IMountProvider[]
-	 */
-	protected $mountProviders;
+	use MountProviderTrait;
 
 	/**
 	 * @var \OC\Connector\Sabre\ServerFactory
@@ -38,29 +36,6 @@ abstract class RequestTest extends TestCase {
 		return $stream;
 	}
 
-	/**
-	 * @param $userId
-	 * @param $storages
-	 * @return \OCP\Files\Config\IMountProvider
-	 */
-	protected function getMountProvider($userId, $storages) {
-		$mounts = [];
-		foreach ($storages as $mountPoint => $storage) {
-			$mounts[] = new MountPoint($storage, $mountPoint);
-		}
-		$provider = $this->getMock('\OCP\Files\Config\IMountProvider');
-		$provider->expects($this->any())
-			->method('getMountsForUser')
-			->will($this->returnCallback(function (IUser $user) use ($userId, $mounts) {
-				if ($user->getUID() === $userId) {
-					return $mounts;
-				} else {
-					return [];
-				}
-			}));
-		return $provider;
-	}
-
 	protected function setUp() {
 		parent::setUp();
 
@@ -76,9 +51,7 @@ abstract class RequestTest extends TestCase {
 
 	protected function setupUser($name, $password) {
 		$this->createUser($name, $password);
-		\OC::$server->getMountProviderCollection()->registerProvider($this->getMountProvider($name, [
-			'/' . $name => '\OC\Files\Storage\Temporary'
-		]));
+		$this->registerMount($name, '\OC\Files\Storage\Temporary', '/' . $name);
 		$this->loginAsUser($name);
 		return new View('/' . $name . '/files');
 	}
diff --git a/tests/lib/traits/mountprovidertrait.php b/tests/lib/traits/mountprovidertrait.php
new file mode 100644
index 0000000000..66eca1597c
--- /dev/null
+++ b/tests/lib/traits/mountprovidertrait.php
@@ -0,0 +1,56 @@
+<?php
+/**
+ * Copyright (c) 2015 Robin Appelman <icewind@owncloud.com>
+ * This file is licensed under the Affero General Public License version 3 or
+ * later.
+ * See the COPYING-README file.
+ */
+
+namespace Test\Traits;
+
+use OC\Files\Mount\MountPoint;
+use OC\Files\Storage\StorageFactory;
+use OCP\IUser;
+
+/**
+ * Allow setting mounts for users
+ */
+trait MountProviderTrait {
+	/**
+	 * @var \OCP\Files\Config\IMountProvider
+	 */
+	protected $mountProvider;
+
+	/**
+	 * @var \OC\Files\Storage\StorageFactory
+	 */
+	protected $storageFactory;
+
+	protected $mounts = [];
+
+	protected function registerMount($userId, $storage, $mountPoint, $arguments = null) {
+		if (!isset($this->mounts[$userId])) {
+			$this->mounts[$userId] = [];
+		}
+		$this->mounts[$userId][] = new MountPoint($storage, $mountPoint, $arguments, $this->storageFactory);
+	}
+
+	protected function registerStorageWrapper($name, $wrapper) {
+		$this->storageFactory->addStorageWrapper($name, $wrapper);
+	}
+
+	protected function setUpMountProviderTrait() {
+		$this->storageFactory = new StorageFactory();
+		$this->mountProvider = $this->getMock('\OCP\Files\Config\IMountProvider');
+		$this->mountProvider->expects($this->any())
+			->method('getMountsForUser')
+			->will($this->returnCallback(function (IUser $user) {
+				if (isset($this->mounts[$user->getUID()])) {
+					return $this->mounts[$user->getUID()];
+				} else {
+					return [];
+				}
+			}));
+		\OC::$server->getMountProviderCollection()->registerProvider($this->mountProvider);
+	}
+}