More video page tweaks
refactored out implicit class which pimps web element
shorten param
Polish all the thingz
Added data test attribute for interactive content articles
Added test for checking that async content on interactive articles are
loaded
Revert discussion changes
fixing stylesheet calls again
Fix merge conflicts
enabled test for CI test
Merge pull request #5243 from guardian/test-automation-live-blog-other

enabled test for CI test
Merge pull request #5242 from guardian/commercial-testpage-fix2

fixing stylesheet calls again
Fix more merge conflicts
Whitespace
icon size change
Merge pull request #5244 from guardian/video-page-polish

Video page polish
Optimise icon
Document bug
Capitalise CSS property for @kaelig
Merge pull request #5246 from guardian/video-page-polish

Minor tweaks