tests: add visual test for the Dropdown magic mousleave bug
tests: add visual test for the Dropdown magic mousleave bug

See https://github.com/zurb/foundation-sites/issues/11410
See https://github.com/zurb/foundation-sites/pull/11418

denisahac/foundation-sites,denisahac/foundation-sites,abdullahsalem/foundation-sites,zurb/foundation-sites,abdullahsalem/foundation-sites,denisahac/foundation-sites,zurb/foundation-sites,DaSchTour/foundation-sites,zurb/foundation,DaSchTour/foundation-sites,zurb/foundation,zurb/foundation-sites,abdullahsalem/foundation-sites,zurb/foundation