Update test_age_restriction.py

typo
title extraction condition less restrictive
Recognize a third format of the upload_date in the 'watch-uploader-info' element
Merge pull request #3033 from Forever-Young/patch-2

Recognize a third format of the upload_date in the 'watch-uploader-info'...
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