navigate to a work https://archiveofourown.org/works/21911809
scroll to skin chooser in the footer
switch to Reversi
Be redirected to Reversi's Skins page at https://archiveofourown.org/skins/929
replicate 2-5 with LVD, Snow Blue - redirect to skin's particular /skins/###
replicate 2-5 with Default - get redirected to site's top level.
Step 5 should be redirect back to the referer, or if we can't do that because we don't have the referer, redirect to the home page. https://github.com/otwcode/otwarchive/blob/6e02a48c36e3167f74fbb68d142fee80c0d77b93/app/controllers/skins_controller.rb#L120-L128