public function testRequestHasFiles()
{
$this->specify("Request::hasFiles does not return correct result", function ($files, $all, $onlySuccessful) {
$request = $this->getRequestObject();
$_FILES = $files;
expect($request->hasFiles(false))->equals($all);
expect($request->hasFiles(true))->equals($onlySuccessful);
}, ['examples' => $this->filesProvider()]);
}