Update test_age_restriction.py

typo
title extraction condition less restrictive
Merge pull request #3022 from MikeCol/Extremetube_title

title extraction condition less restrictive
Merge pull request #2962 from simonwjackson/patch-1

Update test_age_restriction.py
[ard] Fix format extraction (fixes #3006 and #3032)
release 2014.06.04
[yahoo] Make thumbnail optional (Closes #3043)
[yahoo] Improve content id extraction