public function testCreateFolder()
{
$this->setRequest(Request::create('/async/folder/create', 'POST', ['namespace' => self::FILESYSTEM, 'parent' => '', 'foldername' => self::FOLDER_NAME]));
$response = $this->controller()->createFolder($this->getRequest());
$this->assertInstanceOf(JsonResponse::class, $response);
$this->assertEquals(Response::HTTP_OK, $response->getStatusCode());
// Test whether the new folder actually exists
$this->assertTrue($this->getService('filesystem')->has(self::FILESYSTEM . '://' . self::FOLDER_NAME));
}