public function testCopyUsesAcfFileUrl()
{
$acfFileUrl = 'file://' . __FILE__;
$rfs = new RemoteFilesystem($acfFileUrl, $this->io);
$file = tempnam(sys_get_temp_dir(), 'pb');
$this->assertTrue($rfs->copy('http://example.org', 'does-not-exist', $file));
$this->assertFileExists($file);
unlink($file);
}