public function testUploadedFiles()
{
$request1 = new ServerRequest('', 'GET');
$files = ['file' => new UploadedFile('test', 123, UPLOAD_ERR_OK), 'file2' => [new UploadedFile('test', 123, UPLOAD_ERR_OK)]];
$request2 = $request1->withUploadedFiles($files);
$this->assertNotSame($request2, $request1);
$this->assertSame([], $request1->getUploadedFiles());
$this->assertSame($files, $request2->getUploadedFiles());
}
