Add unit test

Signed-off-by: Lukas Reschke <lukas@statuscode.ch>

apps/dav/tests/unit/CapabilitiesTest.php

+<?php
+/**
+ * @copyright Copyright (c) 2016 Lukas Reschke <lukas@statuscode.ch>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace OCA\DAV\Tests\unit;
+
+use OCA\DAV\Capabilities;
+use Test\TestCase;
+
+/**
+ * @package OCA\DAV\Tests\unit
+ */
+class CapabilitiesTest extends TestCase  {
+	public function testGetCapabilities() {
+		$capabilities = new Capabilities();
+		$expected = [
+			'dav' => [
+				'chunking' => '1.0',
+			],
+		];
+		$this->assertSame($expected, $capabilities->getCapabilities());
+	}
+}