test(user-card): add a11y and visual tests#2169

ttaylor-stack merged 18 commits intobetaStackExchange/Stacks:betafrom

spark-160/add-a11y-and-visual-tests-to-user-cardStackExchange/Stacks:spark-160/add-a11y-and-visual-tests-to-user-cardCopy head branch name to clipboard