[vuclip] Remove test code
[vuclip] Fix regexp
[test/helper] Modernize
[test/helper] Improve output of missing test definition dictionaries
[vimeo] Fix description extraction
[lrt] Add new extractor
[vgtv] Fix tests' exts
[tvigle] Replace 404 test
[tvigle] Extract format file sizes
[nfl] Use compatible urlparse