Add AB test meta tag to /find-utr-number page #2967
Merged
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If our AB test is active (see ContentItemsController#temporary_ab_test_find_utr_page) then @requested_variant will be set, and we should use it to add the required tag to the page.
Technically this code will work for any Answer that sets a @requested_variant field, but I think that's probably okay / what people would want in that situation anyway.