public function testMoveCannotBeCalledMoreThanOnce()
{
$stream = \GuzzleHttp\Psr7\stream_for('Foo bar!');
$upload = new UploadedFile($stream, 0, UPLOAD_ERR_OK);
$this->cleanup[] = $to = tempnam(sys_get_temp_dir(), 'diac');
$upload->moveTo($to);
$this->assertTrue(file_exists($to));
$this->setExpectedException('RuntimeException', 'moved');
$upload->moveTo($to);
}