use WWW::Offliberty qw/off/;
my @results;
-@results = off "https://youtube.com/watch?v=pJyQpAiMXkg";
+@results = off "https://youtube.com/watch?v=dQw4w9WgXcQ";
cmp_ok @results, '>=', 1, 'youtube';
-@results = off "https://youtube.com/watch?v=pJyQpAiMXkg", video_file => 1;
+@results = off "https://youtube.com/watch?v=dQw4w9WgXcQ", video_file => 1;
is @results, 2, 'youtube, video_file => 1';
like $results[1], qr/\.mp4/, 'video URL contains ".mp4"';