function testOPTIONS()
{
$client = new ClientMock(['baseUri' => '/']);
$client->response = new Response(207, ['DAV' => 'calendar-access, extended-mkcol']);
$result = $client->options();
$this->assertEquals(['calendar-access', 'extended-mkcol'], $result);
$request = $client->request;
$this->assertEquals('OPTIONS', $request->getMethod());
$this->assertEquals('/', $request->getUrl());
$this->assertEquals([], $request->getHeaders());
}
