Add tests for doing dav requests with encryption enabled

tests/lib/connector/sabre/requesttest/encryptionuploadtest.php

+<?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\Connector\Sabre\RequestTest;
+
+use OC\Files\View;
+use Test\Traits\EncryptionTrait;
+
+class EncryptionUploadTest extends UploadTest {
+	use EncryptionTrait;
+
+	protected function setupUser($name, $password) {
+		$this->createUser($name, $password);
+		$tmpFolder = \OC::$server->getTempManager()->getTemporaryFolder();
+		$this->registerMount($name, '\OC\Files\Storage\Local', '/' . $name, ['datadir' => $tmpFolder]);
+		$this->setupForUser($name, $password);
+		$this->loginWithEncryption($name);
+		return new View('/' . $name . '/files');
+	}
+}